57342915 has 24 divisors (see below), whose sum is σ = 113594208. Its totient is φ = 26213760.

The previous prime is 57342899. The next prime is 57342917. The reversal of 57342915 is 51924375.

It is not a de Polignac number, because 57342915 - 2⁴ = 57342899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57342915.

It is not an unprimeable number, because it can be changed into a prime (57342917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90706 + ... + 91335.

It is an arithmetic number, because the mean of its divisors is an integer number (4733092).

Almost surely, 2^57342915 is an apocalyptic number.

57342915 is a deficient number, since it is larger than the sum of its proper divisors (56251293).

57342915 is a wasteful number, since it uses less digits than its factorization.

57342915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182059 (or 182056 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 57342915 is about 7572.5104820000. The cubic root of 57342915 is about 385.6203301430.

It can be divided in two parts, 5734 and 2915, that added together give a square (8649 = 93²).

The spelling of 57342915 in words is "fifty-seven million, three hundred forty-two thousand, nine hundred fifteen".