56216230977256 has 48 divisors (see below), whose sum is σ = 122789397652740. Its totient is φ = 24058301299200.

The previous prime is 56216230977197. The next prime is 56216230977281. The reversal of 56216230977256 is 65277903261265.

It can be written as a sum of positive squares in 2 ways, for example, as 56208997474756 + 7233502500 = 7497266^2 + 85050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56216230977194 and 56216230977203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102013905 + ... + 102563488.

Almost surely, 2^{56216230977256} is an apocalyptic number.

56216230977256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56216230977256 is an abundant number, since it is smaller than the sum of its proper divisors (66573166675484).

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

56216230977256 is a wasteful number, since it uses less digits than its factorization.

56216230977256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204578114 (or 204578103 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 61.

The spelling of 56216230977256 in words is "fifty-six trillion, two hundred sixteen billion, two hundred thirty million, nine hundred seventy-seven thousand, two hundred fifty-six".