54726571892772 has 54 divisors (see below), whose sum is σ = 149796450005202. Its totient is φ = 16838945195904.

The previous prime is 54726571892761. The next prime is 54726571892813. The reversal of 54726571892772 is 27729817562745.

54726571892772 is a `hidden beast` number, since 5 + 4 + 7 + 26 + 571 + 8 + 9 + 27 + 7 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6881461548516 + 47845110344256 = 2623254^2 + 6917016^2 .

It is a super-2 number, since 2×54726571892772² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54726571892772.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4497575433 + ... + 4497587600.

Almost surely, 2^{54726571892772} is an apocalyptic number.

54726571892772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54726571892772 is an abundant number, since it is smaller than the sum of its proper divisors (95069878112430).

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

54726571892772 is a wasteful number, since it uses less digits than its factorization.

54726571892772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995163069 (or 8995163051 counting only the distinct ones).

The product of its digits is 829785600, while the sum is 72.

The spelling of 54726571892772 in words is "fifty-four trillion, seven hundred twenty-six billion, five hundred seventy-one million, eight hundred ninety-two thousand, seven hundred seventy-two".