56516220562 has 4 divisors (see below), whose sum is σ = 84774330846. Its totient is φ = 28258110280.

The previous prime is 56516220547. The next prime is 56516220581. The reversal of 56516220562 is 26502261565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30916540561 + 25599680001 = 175831^2 + 159999^2 .

It is a super-2 number, since 2×56516220562² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14129055139 + ... + 14129055142.

Almost surely, 2^56516220562 is an apocalyptic number.

56516220562 is a deficient number, since it is larger than the sum of its proper divisors (28258110284).

56516220562 is a wasteful number, since it uses less digits than its factorization.

56516220562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28258110283.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 56516220562 in words is "fifty-six billion, five hundred sixteen million, two hundred twenty thousand, five hundred sixty-two".