57442999 has 2 divisors, whose sum is σ = 57443000. Its totient is φ = 57442998.

The previous prime is 57442963. The next prime is 57443027. The reversal of 57442999 is 99924475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57442999 - 2⁹ = 57442487 is a prime.

It is a super-2 number, since 2×57442999² = 6599396268228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57442199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28721499 + 28721500.

It is an arithmetic number, because the mean of its divisors is an integer number (28721500).

Almost surely, 2^57442999 is an apocalyptic number.

57442999 is a deficient number, since it is larger than the sum of its proper divisors (1).

57442999 is an equidigital number, since it uses as much as digits as its factorization.

57442999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 57442999 is about 7579.1159774739. The cubic root of 57442999 is about 385.8445484453.

The spelling of 57442999 in words is "fifty-seven million, four hundred forty-two thousand, nine hundred ninety-nine".