57450015 has 96 divisors (see below), whose sum is σ = 124300800. Its totient is φ = 23950080.

The previous prime is 57449971. The next prime is 57450017. The reversal of 57450015 is 51005475.

It is not a de Polignac number, because 57450015 - 2¹⁶ = 57384479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57450017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173400 + ... + 173730.

It is an arithmetic number, because the mean of its divisors is an integer number (1294800).

Almost surely, 2^57450015 is an apocalyptic number.

57450015 is an abundant number, since it is smaller than the sum of its proper divisors (66850785).

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

57450015 is a wasteful number, since it uses less digits than its factorization.

57450015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 57450015 is about 7579.5788141558. The cubic root of 57450015 is about 385.8602566267.

The spelling of 57450015 in words is "fifty-seven million, four hundred fifty thousand, fifteen".