56745045 has 48 divisors (see below), whose sum is σ = 113248512. Its totient is φ = 25747200.

The previous prime is 56745041. The next prime is 56745089. The reversal of 56745045 is 54054765.

It is a happy number.

56745045 is a `hidden beast` number, since 567 + 4 + 50 + 45 = 666.

It is not a de Polignac number, because 56745045 - 2² = 56745041 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56745041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46969 + ... + 48161.

It is an arithmetic number, because the mean of its divisors is an integer number (2359344).

Almost surely, 2^56745045 is an apocalyptic number.

It is an amenable number.

56745045 is a deficient number, since it is larger than the sum of its proper divisors (56503467).

56745045 is a wasteful number, since it uses less digits than its factorization.

56745045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 56745045 is about 7532.9307045797. The cubic root of 56745045 is about 384.2754574676.

The spelling of 56745045 in words is "fifty-six million, seven hundred forty-five thousand, forty-five".