57390743 has 2 divisors, whose sum is σ = 57390744. Its totient is φ = 57390742.

The previous prime is 57390733. The next prime is 57390757. The reversal of 57390743 is 34709375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57390743 - 2²² = 53196439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57390697 and 57390706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57390733) 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, 28695371 + 28695372.

It is an arithmetic number, because the mean of its divisors is an integer number (28695372).

Almost surely, 2^57390743 is an apocalyptic number.

57390743 is a deficient number, since it is larger than the sum of its proper divisors (1).

57390743 is an equidigital number, since it uses as much as digits as its factorization.

57390743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 57390743 is about 7575.6678253471. The cubic root of 57390743 is about 385.7275117876.

The spelling of 57390743 in words is "fifty-seven million, three hundred ninety thousand, seven hundred forty-three".