56975545 has 16 divisors (see below), whose sum is σ = 74882880. Its totient is φ = 41272000.

The previous prime is 56975539. The next prime is 56975549. The reversal of 56975545 is 54557965.

56975545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56975545 - 2³ = 56975537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56975495 and 56975504.

It is not an unprimeable number, because it can be changed into a prime (56975549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870 + ... + 16720.

It is an arithmetic number, because the mean of its divisors is an integer number (4680180).

Almost surely, 2^56975545 is an apocalyptic number.

56975545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56975545 is a deficient number, since it is larger than the sum of its proper divisors (17907335).

56975545 is a wasteful number, since it uses less digits than its factorization.

56975545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136.

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

The square root of 56975545 is about 7548.2146895806. The cubic root of 56975545 is about 384.7950671874.

The spelling of 56975545 in words is "fifty-six million, nine hundred seventy-five thousand, five hundred forty-five".