56186436 has 12 divisors (see below), whose sum is σ = 131101712. Its totient is φ = 18728808.

The previous prime is 56186393. The next prime is 56186437. The reversal of 56186436 is 63468165.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 56186394 and 56186403.

It is not an unprimeable number, because it can be changed into a prime (56186437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341090 + ... + 2341113.

Almost surely, 2^56186436 is an apocalyptic number.

It is an amenable number.

56186436 is an abundant number, since it is smaller than the sum of its proper divisors (74915276).

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

56186436 is a wasteful number, since it uses less digits than its factorization.

56186436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682210 (or 4682208 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 56186436 is about 7495.7612021729. The cubic root of 56186436 is about 383.0103367833.

The spelling of 56186436 in words is "fifty-six million, one hundred eighty-six thousand, four hundred thirty-six".