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54755668158840 = 2332511181449170141
BaseRepresentation
bin11000111001100110011000…
…01001100110100101111000
321011212120221122210211121200
430130303030021212211320
524134104102022040330
6312242223502334200
714350652333665035
oct1434631411464570
9234776848724550
1054755668158840
11164a082621aaa0
12618402258a360
13247258bb282ac
14d7428d28a38c
1564e4c1ea1a60
hex31cccc266978

54755668158840 has 384 divisors, whose sum is σ = 195642202392000. Its totient is φ = 13171286016000.

The previous prime is 54755668158827. The next prime is 54755668158853. The reversal of 54755668158840 is 4885186655745.

It is a happy number.

54755668158840 is a `hidden beast` number, since 5 + 4 + 7 + 5 + 566 + 8 + 1 + 58 + 8 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (54755668158827) and next prime (54755668158853).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 321740170 + ... + 321910310.

Almost surely, 254755668158840 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 54755668158840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97821101196000).

54755668158840 is an abundant number, since it is smaller than the sum of its proper divisors (140886534233160).

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

54755668158840 is a wasteful number, since it uses less digits than its factorization.

54755668158840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170799 (or 170792 counting only the distinct ones).

The product of its (nonzero) digits is 1290240000, while the sum is 72.

The spelling of 54755668158840 in words is "fifty-four trillion, seven hundred fifty-five billion, six hundred sixty-eight million, one hundred fifty-eight thousand, eight hundred forty".