56261994 has 16 divisors (see below), whose sum is σ = 112651968. Its totient is φ = 18732672.

The previous prime is 56261971. The next prime is 56262007. The reversal of 56261994 is 49916265.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (7040748).

Almost surely, 2^56261994 is an apocalyptic number.

56261994 is an abundant number, since it is smaller than the sum of its proper divisors (56389974).

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

56261994 is a wasteful number, since it uses less digits than its factorization.

56261994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its digits is 116640, while the sum is 42.

The square root of 56261994 is about 7500.7995573805. The cubic root of 56261994 is about 383.1819471957.

The spelling of 56261994 in words is "fifty-six million, two hundred sixty-one thousand, nine hundred ninety-four".