57039270 has 64 divisors (see below), whose sum is σ = 141419520. Its totient is φ = 14716800.

The previous prime is 57039263. The next prime is 57039271. The reversal of 57039270 is 7293075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57039271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129711 + ... + 130149.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^57039270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57039270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70709760).

57039270 is an abundant number, since it is smaller than the sum of its proper divisors (84380250).

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

57039270 is a wasteful number, since it uses less digits than its factorization.

57039270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 57039270 is about 7552.4347067684. The cubic root of 57039270 is about 384.9384733298.

The spelling of 57039270 in words is "fifty-seven million, thirty-nine thousand, two hundred seventy".