57616231 has 2 divisors, whose sum is σ = 57616232. Its totient is φ = 57616230.

The previous prime is 57616159. The next prime is 57616249. The reversal of 57616231 is 13261675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57616231 - 2²⁵ = 24061799 is a prime.

It is a super-2 number, since 2×57616231² = 6639260149290722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57616193 and 57616202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57614231) 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 as a sum of consecutive naturals, namely, 28808115 + 28808116.

It is an arithmetic number, because the mean of its divisors is an integer number (28808116).

Almost surely, 2^57616231 is an apocalyptic number.

57616231 is a deficient number, since it is larger than the sum of its proper divisors (1).

57616231 is an equidigital number, since it uses as much as digits as its factorization.

57616231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 57616231 is about 7590.5356200995. The cubic root of 57616231 is about 386.2320255702.

It can be divided in two parts, 576 and 16231, that added together give a 5-th power (16807 = 7⁵).

The spelling of 57616231 in words is "fifty-seven million, six hundred sixteen thousand, two hundred thirty-one".