56755725 has 24 divisors (see below), whose sum is σ = 101056032. Its totient is φ = 27940800.

The previous prime is 56755723. The next prime is 56755729. The reversal of 56755725 is 52755765.

It is not a de Polignac number, because 56755725 - 2¹ = 56755723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56755723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28131 + ... + 30080.

It is an arithmetic number, because the mean of its divisors is an integer number (4210668).

Almost surely, 2^56755725 is an apocalyptic number.

It is an amenable number.

56755725 is a deficient number, since it is larger than the sum of its proper divisors (44300307).

56755725 is a wasteful number, since it uses less digits than its factorization.

56755725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58237 (or 58232 counting only the distinct ones).

The product of its digits is 367500, while the sum is 42.

The square root of 56755725 is about 7533.6395586728. The cubic root of 56755725 is about 384.2995641506.

The spelling of 56755725 in words is "fifty-six million, seven hundred fifty-five thousand, seven hundred twenty-five".