56736045 has 40 divisors (see below), whose sum is σ = 105008640. Its totient is φ = 29276640.

The previous prime is 56736037. The next prime is 56736073. The reversal of 56736045 is 54063765.

It is not a de Polignac number, because 56736045 - 2³ = 56736037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10296 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (2625216).

Almost surely, 2^56736045 is an apocalyptic number.

It is an amenable number.

56736045 is a deficient number, since it is larger than the sum of its proper divisors (48272595).

56736045 is a wasteful number, since it uses less digits than its factorization.

56736045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 56736045 is about 7532.3333038309. Note that the first 4 decimals coincide. The cubic root of 56736045 is about 384.2551404985.

The spelling of 56736045 in words is "fifty-six million, seven hundred thirty-six thousand, forty-five".