57053489 has 2 divisors, whose sum is σ = 57053490. Its totient is φ = 57053488.

The previous prime is 57053471. The next prime is 57053533. The reversal of 57053489 is 98435075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 9333025 = 6908^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 57053489 - 2⁸ = 57053233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57053429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28526744 + 28526745.

It is an arithmetic number, because the mean of its divisors is an integer number (28526745).

Almost surely, 2^57053489 is an apocalyptic number.

It is an amenable number.

57053489 is a deficient number, since it is larger than the sum of its proper divisors (1).

57053489 is an equidigital number, since it uses as much as digits as its factorization.

57053489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 57053489 is about 7553.3760001737. The cubic root of 57053489 is about 384.9704570573.

The spelling of 57053489 in words is "fifty-seven million, fifty-three thousand, four hundred eighty-nine".