57759921 has 12 divisors (see below), whose sum is σ = 84033040. Its totient is φ = 38228760.

The previous prime is 57759907. The next prime is 57759929. The reversal of 57759921 is 12995775.

57759921 is a `hidden beast` number, since 57 + 7 + 599 + 2 + 1 = 666.

57759921 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 57759921 - 2⁹ = 57759409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57759929) 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 11 ways as a sum of consecutive naturals, for example, 21835 + ... + 24336.

Almost surely, 2^57759921 is an apocalyptic number.

It is an amenable number.

57759921 is a deficient number, since it is larger than the sum of its proper divisors (26273119).

57759921 is a wasteful number, since it uses less digits than its factorization.

57759921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46316 (or 46313 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 57759921 is about 7599.9948026298. The cubic root of 57759921 is about 386.5528356793.

The spelling of 57759921 in words is "fifty-seven million, seven hundred fifty-nine thousand, nine hundred twenty-one".