55292817870720 has 320 divisors, whose sum is σ = 202276756891440. Its totient is φ = 14385122795520.

The previous prime is 55292817870659. The next prime is 55292817870727. The reversal of 55292817870720 is 2707871829255.

55292817870720 is a `hidden beast` number, since 5 + 529 + 2 + 8 + 1 + 7 + 87 + 0 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×55292817870720² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292817870727) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10881942 + ... + 15132821.

Almost surely, 2^{55292817870720} is an apocalyptic number.

It is an amenable number.

55292817870720 is an abundant number, since it is smaller than the sum of its proper divisors (146983939020720).

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

55292817870720 is a wasteful number, since it uses less digits than its factorization.

55292817870720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26014835 (or 26014814 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 63.

The spelling of 55292817870720 in words is "fifty-five trillion, two hundred ninety-two billion, eight hundred seventeen million, eight hundred seventy thousand, seven hundred twenty".