57840475 has 24 divisors (see below), whose sum is σ = 89422848. Its totient is φ = 36055200.

The previous prime is 57840457. The next prime is 57840479. The reversal of 57840475 is 57404875.

It is not a de Polignac number, because 57840475 - 2⁷ = 57840347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57840479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13099 + ... + 16948.

It is an arithmetic number, because the mean of its divisors is an integer number (3725952).

Almost surely, 2^57840475 is an apocalyptic number.

57840475 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57840475 is a deficient number, since it is larger than the sum of its proper divisors (31582373).

57840475 is a wasteful number, since it uses less digits than its factorization.

57840475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075 (or 30070 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57840475 is about 7605.2925650497. The cubic root of 57840475 is about 386.7324522268.

Subtracting from 57840475 its reverse (57404875), we obtain a square (435600 = 660²).

The spelling of 57840475 in words is "fifty-seven million, eight hundred forty thousand, four hundred seventy-five".