57223486656 has 168 divisors, whose sum is σ = 187666396320. Its totient is φ = 16330899456.

The previous prime is 57223486643. The next prime is 57223486693. The reversal of 57223486656 is 65668432275.

57223486656 is a `hidden beast` number, since 572 + 2 + 3 + 4 + 8 + 6 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3738090 + ... + 3753366.

Almost surely, 2^57223486656 is an apocalyptic number.

57223486656 is a gapful number since it is divisible by the number (56) 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 57223486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93833198160).

57223486656 is an abundant number, since it is smaller than the sum of its proper divisors (130442909664).

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

57223486656 is a wasteful number, since it uses less digits than its factorization.

57223486656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231 (or 16218 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 57223486656 in words is "fifty-seven billion, two hundred twenty-three million, four hundred eighty-six thousand, six hundred fifty-six".