56207498031556 has 27 divisors (see below), whose sum is σ = 99854924630349. Its totient is φ = 27683795262288.

The previous prime is 56207498031511. The next prime is 56207498031569. The reversal of 56207498031556 is 65513089470265.

The square root of 56207498031556 is 7497166.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14179246305156 + 42028251726400 = 3765534^2 + 6482920^2 .

It is a super-2 number, since 2×56207498031556² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56207498031494 and 56207498031503.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1004592270 + ... + 1004648218.

It is a 1-persistent number, because it is pandigital, but 2⋅56207498031556 = 112414996063112 is not.

Almost surely, 2^{56207498031556} is an apocalyptic number.

56207498031556 is the 7497166-th square number.

It is an amenable number.

56207498031556 is a deficient number, since it is larger than the sum of its proper divisors (43647426598793).

56207498031556 is an frugal number, since it uses more digits than its factorization.

56207498031556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112036 (or 56018 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 56207498031556 in words is "fifty-six trillion, two hundred seven billion, four hundred ninety-eight million, thirty-one thousand, five hundred fifty-six".