56918351 has 6 divisors (see below), whose sum is σ = 66211200. Its totient is φ = 48787116.

The previous prime is 56918347. The next prime is 56918359. The reversal of 56918351 is 15381965.

It is not a de Polignac number, because 56918351 - 2² = 56918347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56918359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 580751 + ... + 580848.

It is an arithmetic number, because the mean of its divisors is an integer number (11035200).

Almost surely, 2^56918351 is an apocalyptic number.

56918351 is a deficient number, since it is larger than the sum of its proper divisors (9292849).

56918351 is a wasteful number, since it uses less digits than its factorization.

56918351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161613 (or 1161606 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 56918351 is about 7544.4251603419. The cubic root of 56918351 is about 384.6662672651. Note that the first 3 decimals are identical.

The spelling of 56918351 in words is "fifty-six million, nine hundred eighteen thousand, three hundred fifty-one".