57264091 has 2 divisors, whose sum is σ = 57264092. Its totient is φ = 57264090.

The previous prime is 57264073. The next prime is 57264149. The reversal of 57264091 is 19046275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57264091 - 2⁵ = 57264059 is a prime.

It is a super-3 number, since 3×57264091³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (57264061) 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, 28632045 + 28632046.

It is an arithmetic number, because the mean of its divisors is an integer number (28632046).

Almost surely, 2^57264091 is an apocalyptic number.

57264091 is a deficient number, since it is larger than the sum of its proper divisors (1).

57264091 is an equidigital number, since it uses as much as digits as its factorization.

57264091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 57264091 is about 7567.3040774109. The cubic root of 57264091 is about 385.4435569233.

The spelling of 57264091 in words is "fifty-seven million, two hundred sixty-four thousand, ninety-one".