57102939 has 6 divisors (see below), whose sum is σ = 82482036. Its totient is φ = 38068620.

The previous prime is 57102937. The next prime is 57102953. The reversal of 57102939 is 93920175.

It is not a de Polignac number, because 57102939 - 2¹ = 57102937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57102931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3172377 + ... + 3172394.

It is an arithmetic number, because the mean of its divisors is an integer number (13747006).

Almost surely, 2^57102939 is an apocalyptic number.

57102939 is a deficient number, since it is larger than the sum of its proper divisors (25379097).

57102939 is a wasteful number, since it uses less digits than its factorization.

57102939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344777 (or 6344774 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 57102939 is about 7556.6486619400. The cubic root of 57102939 is about 385.0816468207.

It can be divided in two parts, 5710 and 2939, that added together give a square (8649 = 93²).

The spelling of 57102939 in words is "fifty-seven million, one hundred two thousand, nine hundred thirty-nine".