56755945 has 32 divisors (see below), whose sum is σ = 76826880. Its totient is φ = 39997440.

The previous prime is 56755913. The next prime is 56755957. The reversal of 56755945 is 54955765.

It is not a de Polignac number, because 56755945 - 2⁵ = 56755913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56755895 and 56755904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182340 + ... + 182650.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^56755945 is an apocalyptic number.

It is an amenable number.

56755945 is a deficient number, since it is larger than the sum of its proper divisors (20070935).

56755945 is a wasteful number, since it uses less digits than its factorization.

56755945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its digits is 945000, while the sum is 46.

The square root of 56755945 is about 7533.6541598351. The cubic root of 56755945 is about 384.3000606984.

The spelling of 56755945 in words is "fifty-six million, seven hundred fifty-five thousand, nine hundred forty-five".