57093131 has 2 divisors, whose sum is σ = 57093132. Its totient is φ = 57093130.

The previous prime is 57093079. The next prime is 57093151. The reversal of 57093131 is 13139075.

57093131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57093131 is a prime.

It is a super-2 number, since 2×57093131² = 6519251214766322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57093094 and 57093103.

It is not a weakly prime, because it can be changed into another prime (57093151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28546565 + 28546566.

It is an arithmetic number, because the mean of its divisors is an integer number (28546566).

Almost surely, 2^57093131 is an apocalyptic number.

57093131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57093131 is an equidigital number, since it uses as much as digits as its factorization.

57093131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 57093131 is about 7555.9996691371. Note that the first 3 decimals coincide. The cubic root of 57093131 is about 385.0595983522.

The spelling of 57093131 in words is "fifty-seven million, ninety-three thousand, one hundred thirty-one".