56315394 has 12 divisors (see below), whose sum is σ = 122016726. Its totient is φ = 18771792.

The previous prime is 56315393. The next prime is 56315453. The reversal of 56315394 is 49351365.

56315394 is a `hidden beast` number, since 563 + 1 + 5 + 3 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29844369 + 26471025 = 5463^2 + 5145^2 .

It is not an unprimeable number, because it can be changed into a prime (56315393) 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, 1564299 + ... + 1564334.

Almost surely, 2^56315394 is an apocalyptic number.

56315394 is an abundant number, since it is smaller than the sum of its proper divisors (65701332).

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

56315394 is a wasteful number, since it uses less digits than its factorization.

56315394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128641 (or 3128638 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 56315394 is about 7504.3583336618. The cubic root of 56315394 is about 383.3031388105.

It can be divided in two parts, 5631 and 5394, that added together give a square (11025 = 105²).

The spelling of 56315394 in words is "fifty-six million, three hundred fifteen thousand, three hundred ninety-four".