57439002 has 16 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 19060032.

The previous prime is 57438989. The next prime is 57439007. The reversal of 57439002 is 20093475.

It is not an unprimeable number, because it can be changed into a prime (57439007) 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, 20127 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (7212240).

Almost surely, 2^57439002 is an apocalyptic number.

57439002 is an abundant number, since it is smaller than the sum of its proper divisors (57956838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57439002 is a wasteful number, since it uses less digits than its factorization.

57439002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43157.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 57439002 is about 7578.8522877808. The cubic root of 57439002 is about 385.8355989565.

The spelling of 57439002 in words is "fifty-seven million, four hundred thirty-nine thousand, two".