56353737 has 32 divisors (see below), whose sum is σ = 84182400. Its totient is φ = 33246720.

The previous prime is 56353697. The next prime is 56353747. The reversal of 56353737 is 73735365.

It is not a de Polignac number, because 56353737 - 2²³ = 47965129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56353695 and 56353704.

It is not an unprimeable number, because it can be changed into a prime (56353747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358863 + ... + 359019.

It is an arithmetic number, because the mean of its divisors is an integer number (2630700).

Almost surely, 2^56353737 is an apocalyptic number.

It is an amenable number.

56353737 is a deficient number, since it is larger than the sum of its proper divisors (27828663).

56353737 is a wasteful number, since it uses less digits than its factorization.

56353737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its digits is 198450, while the sum is 39.

The square root of 56353737 is about 7506.9126143842. The cubic root of 56353737 is about 383.3901112286.

The spelling of 56353737 in words is "fifty-six million, three hundred fifty-three thousand, seven hundred thirty-seven".