57713993 has 2 divisors, whose sum is σ = 57713994. Its totient is φ = 57713992.

The previous prime is 57713989. The next prime is 57714037. The reversal of 57713993 is 39931775.

It is an a-pointer prime, because the next prime (57714037) can be obtained adding 57713993 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55547209 + 2166784 = 7453^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 57713993 - 2² = 57713989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57716993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28856996 + 28856997.

It is an arithmetic number, because the mean of its divisors is an integer number (28856997).

Almost surely, 2^57713993 is an apocalyptic number.

It is an amenable number.

57713993 is a deficient number, since it is larger than the sum of its proper divisors (1).

57713993 is an equidigital number, since it uses as much as digits as its factorization.

57713993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 178605, while the sum is 44.

The square root of 57713993 is about 7596.9726207220. The cubic root of 57713993 is about 386.4503522386.

The spelling of 57713993 in words is "fifty-seven million, seven hundred thirteen thousand, nine hundred ninety-three".