56436345 has 80 divisors (see below), whose sum is σ = 122525568. Its totient is φ = 24261120.

The previous prime is 56436323. The next prime is 56436353. The reversal of 56436345 is 54363465.

56436345 is a `hidden beast` number, since 5 + 643 + 6 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 56436345 - 2⁷ = 56436217 is a prime.

It is a super-2 number, since 2×56436345² = 6370122073918050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 47610 + ... + 48780.

Almost surely, 2^56436345 is an apocalyptic number.

It is an amenable number.

56436345 is an abundant number, since it is smaller than the sum of its proper divisors (66089223).

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

56436345 is a wasteful number, since it uses less digits than its factorization.

56436345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1203 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 56436345 is about 7512.4127282784. The cubic root of 56436345 is about 383.5773548153.

The spelling of 56436345 in words is "fifty-six million, four hundred thirty-six thousand, three hundred forty-five".