57748291 has 2 divisors, whose sum is σ = 57748292. Its totient is φ = 57748290.

The previous prime is 57748279. The next prime is 57748307. The reversal of 57748291 is 19284775.

57748291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57748291 - 2⁵ = 57748259 is a prime.

It is a super-2 number, since 2×57748291² = 6669730226841362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57748241) 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, 28874145 + 28874146.

It is an arithmetic number, because the mean of its divisors is an integer number (28874146).

Almost surely, 2^57748291 is an apocalyptic number.

57748291 is a deficient number, since it is larger than the sum of its proper divisors (1).

57748291 is an equidigital number, since it uses as much as digits as its factorization.

57748291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 57748291 is about 7599.2296320088. The cubic root of 57748291 is about 386.5268897110.

The spelling of 57748291 in words is "fifty-seven million, seven hundred forty-eight thousand, two hundred ninety-one".