57471899 has 2 divisors, whose sum is σ = 57471900. Its totient is φ = 57471898.

The previous prime is 57471889. The next prime is 57471919. The reversal of 57471899 is 99817475.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57471899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57471809) 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, 28735949 + 28735950.

It is an arithmetic number, because the mean of its divisors is an integer number (28735950).

Almost surely, 2^57471899 is an apocalyptic number.

57471899 is a deficient number, since it is larger than the sum of its proper divisors (1).

57471899 is an equidigital number, since it uses as much as digits as its factorization.

57471899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The square root of 57471899 is about 7581.0222925408. The cubic root of 57471899 is about 385.9092446841.

The spelling of 57471899 in words is "fifty-seven million, four hundred seventy-one thousand, eight hundred ninety-nine".