57113207 has 2 divisors, whose sum is σ = 57113208. Its totient is φ = 57113206.

The previous prime is 57113201. The next prime is 57113219. The reversal of 57113207 is 70231175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57113207 - 2¹⁰ = 57112183 is a prime.

It is equal to p_3400784 and since 57113207 and 3400784 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57113201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28556603 + 28556604.

It is an arithmetic number, because the mean of its divisors is an integer number (28556604).

Almost surely, 2^57113207 is an apocalyptic number.

57113207 is a deficient number, since it is larger than the sum of its proper divisors (1).

57113207 is an equidigital number, since it uses as much as digits as its factorization.

57113207 is an evil number, because the sum of its binary digits is even.

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

The square root of 57113207 is about 7557.3280331080. The cubic root of 57113207 is about 385.1047266682.

The spelling of 57113207 in words is "fifty-seven million, one hundred thirteen thousand, two hundred seven".