57226554864 has 80 divisors (see below), whose sum is σ = 164541968640. Its totient is φ = 19042937280.

The previous prime is 57226554799. The next prime is 57226554901. The reversal of 57226554864 is 46845562275.

57226554864 is a `hidden beast` number, since 5 + 7 + 2 + 2 + 6 + 554 + 86 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57226554864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140749 + ... + 366419.

It is an arithmetic number, because the mean of its divisors is an integer number (2056774608).

Almost surely, 2^57226554864 is an apocalyptic number.

57226554864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57226554864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82270984320).

57226554864 is an abundant number, since it is smaller than the sum of its proper divisors (107315413776).

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

57226554864 is a wasteful number, since it uses less digits than its factorization.

57226554864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226275 (or 226263 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 57226554864 in words is "fifty-seven billion, two hundred twenty-six million, five hundred fifty-four thousand, eight hundred sixty-four".