57631403 has 8 divisors (see below), whose sum is σ = 58226160. Its totient is φ = 57039840.

The previous prime is 57631393. The next prime is 57631477. The reversal of 57631403 is 30413675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57631403 - 2¹² = 57627307 is a prime.

It is a super-2 number, since 2×57631403² = 6642757223496818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57631493) 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, 51413 + ... + 52521.

It is an arithmetic number, because the mean of its divisors is an integer number (7278270).

Almost surely, 2^57631403 is an apocalyptic number.

57631403 is a deficient number, since it is larger than the sum of its proper divisors (594757).

57631403 is a wasteful number, since it uses less digits than its factorization.

57631403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 57631403 is about 7591.5349567792. The cubic root of 57631403 is about 386.2659245711.

The spelling of 57631403 in words is "fifty-seven million, six hundred thirty-one thousand, four hundred three".