57389530 has 16 divisors (see below), whose sum is σ = 112692384. Its totient is φ = 20868880.

The previous prime is 57389503. The next prime is 57389533. The reversal of 57389530 is 3598375.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57389533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260752 + ... + 260971.

It is an arithmetic number, because the mean of its divisors is an integer number (7043274).

Almost surely, 2^57389530 is an apocalyptic number.

57389530 is a deficient number, since it is larger than the sum of its proper divisors (55302854).

57389530 is a wasteful number, since it uses less digits than its factorization.

57389530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521741.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 57389530 is about 7575.5877659757. The cubic root of 57389530 is about 385.7247942137.

The spelling of 57389530 in words is "fifty-seven million, three hundred eighty-nine thousand, five hundred thirty".