57031127 has 12 divisors (see below), whose sum is σ = 59092320. Its totient is φ = 55031808.

The previous prime is 57031067. The next prime is 57031129. The reversal of 57031127 is 72113075.

It is not a de Polignac number, because 57031127 - 2⁶ = 57031063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57031096 and 57031105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221783 + ... + 222039.

It is an arithmetic number, because the mean of its divisors is an integer number (4924360).

Almost surely, 2^57031127 is an apocalyptic number.

57031127 is a deficient number, since it is larger than the sum of its proper divisors (2061193).

57031127 is an equidigital number, since it uses as much as digits as its factorization.

57031127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 57031127 is about 7551.8955898503. The cubic root of 57031127 is about 384.9201543532.

The spelling of 57031127 in words is "fifty-seven million, thirty-one thousand, one hundred twenty-seven".