57421190 has 16 divisors (see below), whose sum is σ = 103444992. Its totient is φ = 22949184.

The previous prime is 57421183. The next prime is 57421237. The reversal of 57421190 is 9112475.

57421190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57421190² = 6594386122032200, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 20027 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (6465312).

Almost surely, 2^57421190 is an apocalyptic number.

57421190 is a deficient number, since it is larger than the sum of its proper divisors (46023802).

57421190 is a wasteful number, since it uses less digits than its factorization.

57421190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57421190 is about 7577.6770847008. The cubic root of 57421190 is about 385.7957119229.

The spelling of 57421190 in words is "fifty-seven million, four hundred twenty-one thousand, one hundred ninety".