56921675 has 6 divisors (see below), whose sum is σ = 70582908. Its totient is φ = 45537320.

The previous prime is 56921621. The next prime is 56921687. The reversal of 56921675 is 57612965.

56921675 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 56921675 - 2¹⁴ = 56905291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1138409 + ... + 1138458.

It is an arithmetic number, because the mean of its divisors is an integer number (11763818).

Almost surely, 2^56921675 is an apocalyptic number.

56921675 is a deficient number, since it is larger than the sum of its proper divisors (13661233).

56921675 is a wasteful number, since it uses less digits than its factorization.

56921675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276877 (or 2276872 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 56921675 is about 7544.6454522396. The cubic root of 56921675 is about 384.6737552179.

The spelling of 56921675 in words is "fifty-six million, nine hundred twenty-one thousand, six hundred seventy-five".