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53135658240 = 2835747137307
BaseRepresentation
bin110001011111001000…
…011100110100000000
312002011010010010002020
4301133020130310000
51332310212030430
640224333321440
73560515433340
oct613710346400
9162133103066
1053135658240
112059776a545
12a36b036280
13501a5a12c2
142800d6ad20
1515aecd3b10
hexc5f21cd00

53135658240 has 576 divisors, whose sum is σ = 200167317504. Its totient is φ = 11761680384.

The previous prime is 53135658223. The next prime is 53135658293. The reversal of 53135658240 is 4285653135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 53135658192 and 53135658201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173080167 + ... + 173080473.

It is an arithmetic number, because the mean of its divisors is an integer number (347512704).

Almost surely, 253135658240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53135658240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100083658752).

53135658240 is an abundant number, since it is smaller than the sum of its proper divisors (147031659264).

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

53135658240 is a wasteful number, since it uses less digits than its factorization.

53135658240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 53135658240 in words is "fifty-three billion, one hundred thirty-five million, six hundred fifty-eight thousand, two hundred forty".