56951394 has 32 divisors (see below), whose sum is σ = 121093056. Its totient is φ = 17794560.

The previous prime is 56951387. The next prime is 56951413. The reversal of 56951394 is 49315965.

It is a super-2 number, since 2×56951394² = 6486922557086472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27669 + ... + 29655.

It is an arithmetic number, because the mean of its divisors is an integer number (3784158).

Almost surely, 2^56951394 is an apocalyptic number.

56951394 is an abundant number, since it is smaller than the sum of its proper divisors (64141662).

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

56951394 is a wasteful number, since it uses less digits than its factorization.

56951394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its digits is 145800, while the sum is 42.

The square root of 56951394 is about 7546.6147377483. The cubic root of 56951394 is about 384.7406900620.

The spelling of 56951394 in words is "fifty-six million, nine hundred fifty-one thousand, three hundred ninety-four".