57746993 has 2 divisors, whose sum is σ = 57746994. Its totient is φ = 57746992.

The previous prime is 57746989. The next prime is 57747029. The reversal of 57746993 is 39964775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55696369 + 2050624 = 7463^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 57746993 - 2² = 57746989 is a prime.

It is not a weakly prime, because it can be changed into another prime (57746903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28873496 + 28873497.

It is an arithmetic number, because the mean of its divisors is an integer number (28873497).

Almost surely, 2^57746993 is an apocalyptic number.

It is an amenable number.

57746993 is a deficient number, since it is larger than the sum of its proper divisors (1).

57746993 is an equidigital number, since it uses as much as digits as its factorization.

57746993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 57746993 is about 7599.1442281352. The cubic root of 57746993 is about 386.5239937196.

The spelling of 57746993 in words is "fifty-seven million, seven hundred forty-six thousand, nine hundred ninety-three".