56942691 has 24 divisors (see below), whose sum is σ = 84888576. Its totient is φ = 33901920.

The previous prime is 56942681. The next prime is 56942693. The reversal of 56942691 is 19624965.

It is a happy number.

It is not a de Polignac number, because 56942691 - 2⁵ = 56942659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56942693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13906 + ... + 17528.

It is an arithmetic number, because the mean of its divisors is an integer number (3537024).

Almost surely, 2^56942691 is an apocalyptic number.

56942691 is a deficient number, since it is larger than the sum of its proper divisors (27945885).

56942691 is a wasteful number, since it uses less digits than its factorization.

56942691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3670 counting only the distinct ones).

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

The square root of 56942691 is about 7546.0380995593. The cubic root of 56942691 is about 384.7210910756.

It can be divided in two parts, 5694 and 2691, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 56942691 in words is "fifty-six million, nine hundred forty-two thousand, six hundred ninety-one".