57461487 has 16 divisors (see below), whose sum is σ = 78323328. Its totient is φ = 37458720.

The previous prime is 57461399. The next prime is 57461501. The reversal of 57461487 is 78416475.

It is not a de Polignac number, because 57461487 - 2²³ = 49072879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57461387) 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 15 ways as a sum of consecutive naturals, for example, 82812 + ... + 83502.

It is an arithmetic number, because the mean of its divisors is an integer number (4895208).

Almost surely, 2^57461487 is an apocalyptic number.

57461487 is a deficient number, since it is larger than the sum of its proper divisors (20861841).

57461487 is a wasteful number, since it uses less digits than its factorization.

57461487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its digits is 188160, while the sum is 42.

The square root of 57461487 is about 7580.3355466628. The cubic root of 57461487 is about 385.8859386290.

The spelling of 57461487 in words is "fifty-seven million, four hundred sixty-one thousand, four hundred eighty-seven".