57749899 has 2 divisors, whose sum is σ = 57749900. Its totient is φ = 57749898.

The previous prime is 57749897. The next prime is 57749917. The reversal of 57749899 is 99894775.

It is a happy number.

57749899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57749899 - 2¹ = 57749897 is a prime.

Together with 57749897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57749891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28874949 + 28874950.

It is an arithmetic number, because the mean of its divisors is an integer number (28874950).

Almost surely, 2^57749899 is an apocalyptic number.

57749899 is a deficient number, since it is larger than the sum of its proper divisors (1).

57749899 is an equidigital number, since it uses as much as digits as its factorization.

57749899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 58.

The square root of 57749899 is about 7599.3354314703. The cubic root of 57749899 is about 386.5304772889.

It can be divided in two parts, 57 and 749899, that added together give a square (749956 = 866²).

The spelling of 57749899 in words is "fifty-seven million, seven hundred forty-nine thousand, eight hundred ninety-nine".