57439154 has 16 divisors (see below), whose sum is σ = 87635520. Its totient is φ = 28230960.

The previous prime is 57439139. The next prime is 57439157. The reversal of 57439154 is 45193475.

It is not an unprimeable number, because it can be changed into a prime (57439157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37259 + ... + 38769.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^57439154 is an apocalyptic number.

57439154 is a deficient number, since it is larger than the sum of its proper divisors (30196366).

57439154 is a wasteful number, since it uses less digits than its factorization.

57439154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its digits is 75600, while the sum is 38.

The square root of 57439154 is about 7578.8623156777. The cubic root of 57439154 is about 385.8359392999.

The spelling of 57439154 in words is "fifty-seven million, four hundred thirty-nine thousand, one hundred fifty-four".