57700231 has 4 divisors (see below), whose sum is σ = 57915000. Its totient is φ = 57485464.

The previous prime is 57700219. The next prime is 57700241. The reversal of 57700231 is 13200775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57700231 - 2⁷ = 57700103 is a prime.

It is a super-2 number, since 2×57700231² = 6658633314906722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57700196 and 57700205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57700241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106981 + ... + 107518.

It is an arithmetic number, because the mean of its divisors is an integer number (14478750).

Almost surely, 2^57700231 is an apocalyptic number.

57700231 is a deficient number, since it is larger than the sum of its proper divisors (214769).

57700231 is a wasteful number, since it uses less digits than its factorization.

57700231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214768.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 57700231 is about 7596.0668111859. The cubic root of 57700231 is about 386.4196332151.

The spelling of 57700231 in words is "fifty-seven million, seven hundred thousand, two hundred thirty-one".