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54513554990400 = 263352112343193601
BaseRepresentation
bin11000110010100011011010…
…00101001010010101000000
321011000110000101011112111000
430121101231011022111000
524121122230034143100
6311535103105052000
714324321466006222
oct1431215505122500
9234013011145430
1054513554990400
1116408083699060
126145113327000
1324557b5a07c4c
14d666820c4412
1564805177b900
hex31946d14a540

54513554990400 has 2688 divisors, whose sum is σ = 233060563169280. Its totient is φ = 12262440960000.

The previous prime is 54513554990387. The next prime is 54513554990413. The reversal of 54513554990400 is 409945531545.

It is a happy number.

54513554990400 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 3 + 5 + 549 + 90 + 4 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (54513554990387) and next prime (54513554990413).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 90704750100 + ... + 90704750700.

It is an arithmetic number, because the mean of its divisors is an integer number (86704078560).

Almost surely, 254513554990400 is an apocalyptic number.

54513554990400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54513554990400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116530281584640).

54513554990400 is an abundant number, since it is smaller than the sum of its proper divisors (178547008178880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54513554990400 is a wasteful number, since it uses less digits than its factorization.

54513554990400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 54513554990400 in words is "fifty-four trillion, five hundred thirteen billion, five hundred fifty-four million, nine hundred ninety thousand, four hundred".