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55037657088 = 22338
BaseRepresentation
bin110011010000100000…
…000000000000000000
312021001200001200000000
4303100200000000000
51400204120011323
641141200000000
73655612236441
oct632040000000
9167050050000
1055037657088
1121383360417
12a800000000
1352616548cb
1429417d52c8
151671c88e43
hexcd0800000

55037657088 has 216 divisors, whose sum is σ = 165104572815. Its totient is φ = 18345885696.

The previous prime is 55037657071. The next prime is 55037657113. The reversal of 55037657088 is 88075673055.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Jordan-Polya number, since it can be written as (4!)7 ⋅ 3! ⋅ 2!.

55037657088 is a `hidden beast` number, since 5 + 503 + 7 + 6 + 57 + 0 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27518828544 + 27518828544 = 165888^2 + 165888^2 .

It is a tau number, because it is divible by the number of its divisors (216).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=165888.

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

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18345885695 + 18345885696 + 18345885697.

Almost surely, 255037657088 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 55037657088

55037657088 is an abundant number, since it is smaller than the sum of its proper divisors (110066915727).

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

55037657088 is an frugal number, since it uses more digits than its factorization.

55037657088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 55037657088 in words is "fifty-five billion, thirty-seven million, six hundred fifty-seven thousand, eighty-eight".