56556534146 has 16 divisors (see below), whose sum is σ = 97115932800. Its totient is φ = 24198046080.

The previous prime is 56556534143. The next prime is 56556534169. The reversal of 56556534146 is 64143565565.

It is a junction number, because it is equal to n+sod(n) for n = 56556534094 and 56556534103.

It is not an unprimeable number, because it can be changed into a prime (56556534143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363695 + ... + 3380466.

It is an arithmetic number, because the mean of its divisors is an integer number (6069745800).

Almost surely, 2^56556534146 is an apocalyptic number.

56556534146 is a deficient number, since it is larger than the sum of its proper divisors (40559398654).

56556534146 is a wasteful number, since it uses less digits than its factorization.

56556534146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744769.

The product of its digits is 6480000, while the sum is 50.

The spelling of 56556534146 in words is "fifty-six billion, five hundred fifty-six million, five hundred thirty-four thousand, one hundred forty-six".