57421927 has 4 divisors (see below), whose sum is σ = 58395240. Its totient is φ = 56448616.

The previous prime is 57421913. The next prime is 57421981. The reversal of 57421927 is 72912475.

57421927 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 is a cyclic number.

It is not a de Polignac number, because 57421927 - 2⁷ = 57421799 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 (57421027) 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, 486568 + ... + 486685.

It is an arithmetic number, because the mean of its divisors is an integer number (14598810).

Almost surely, 2^57421927 is an apocalyptic number.

57421927 is a deficient number, since it is larger than the sum of its proper divisors (973313).

57421927 is an equidigital number, since it uses as much as digits as its factorization.

57421927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973312.

The product of its digits is 35280, while the sum is 37.

The square root of 57421927 is about 7577.7257142232. The cubic root of 57421927 is about 385.7973624763.

The spelling of 57421927 in words is "fifty-seven million, four hundred twenty-one thousand, nine hundred twenty-seven".