57159499 has 2 divisors, whose sum is σ = 57159500. Its totient is φ = 57159498.

The previous prime is 57159469. The next prime is 57159517. The reversal of 57159499 is 99495175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57159499 - 2⁹ = 57158987 is a prime.

It is not a weakly prime, because it can be changed into another prime (57159419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28579749 + 28579750.

It is an arithmetic number, because the mean of its divisors is an integer number (28579750).

Almost surely, 2^57159499 is an apocalyptic number.

57159499 is a deficient number, since it is larger than the sum of its proper divisors (1).

57159499 is an equidigital number, since it uses as much as digits as its factorization.

57159499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 49.

The square root of 57159499 is about 7560.3901354361. The cubic root of 57159499 is about 385.2087449540.

The spelling of 57159499 in words is "fifty-seven million, one hundred fifty-nine thousand, four hundred ninety-nine".