56269836 has 144 divisors (see below), whose sum is σ = 175687680. Its totient is φ = 15558480.

The previous prime is 56269817. The next prime is 56269861. The reversal of 56269836 is 63896265.

It is a happy number.

56269836 is a `hidden beast` number, since 562 + 6 + 9 + 83 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56269791 and 56269800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1815141 + ... + 1815171.

Almost surely, 2^56269836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56269836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87843840).

56269836 is an abundant number, since it is smaller than the sum of its proper divisors (119417844).

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

56269836 is an equidigital number, since it uses as much as digits as its factorization.

56269836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 43 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 56269836 is about 7501.3222834378. The cubic root of 56269836 is about 383.1997494634.

The spelling of 56269836 in words is "fifty-six million, two hundred sixty-nine thousand, eight hundred thirty-six".