56461957 has 4 divisors (see below), whose sum is σ = 56754700. Its totient is φ = 56169216.

The previous prime is 56461921. The next prime is 56462009. The reversal of 56461957 is 75916465.

56461957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 36978561 = 4414^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 56461957 - 2²³ = 48073349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56461157) 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 3 ways as a sum of consecutive naturals, for example, 146082 + ... + 146467.

It is an arithmetic number, because the mean of its divisors is an integer number (14188675).

Almost surely, 2^56461957 is an apocalyptic number.

It is an amenable number.

56461957 is a deficient number, since it is larger than the sum of its proper divisors (292743).

56461957 is a wasteful number, since it uses less digits than its factorization.

56461957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292742.

The product of its digits is 226800, while the sum is 43.

The square root of 56461957 is about 7514.1171803479. The cubic root of 56461957 is about 383.6353711961.

The spelling of 56461957 in words is "fifty-six million, four hundred sixty-one thousand, nine hundred fifty-seven".