57508379 has 4 divisors (see below), whose sum is σ = 59363520. Its totient is φ = 55653240.

The previous prime is 57508357. The next prime is 57508387. The reversal of 57508379 is 97380575.

It is a happy number.

57508379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57508379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57508309) 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 in 3 ways as a sum of consecutive naturals, for example, 927524 + ... + 927585.

It is an arithmetic number, because the mean of its divisors is an integer number (14840880).

Almost surely, 2^57508379 is an apocalyptic number.

57508379 is a deficient number, since it is larger than the sum of its proper divisors (1855141).

57508379 is a wasteful number, since it uses less digits than its factorization.

57508379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855140.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 57508379 is about 7583.4279188240. The cubic root of 57508379 is about 385.9908787342.

The spelling of 57508379 in words is "fifty-seven million, five hundred eight thousand, three hundred seventy-nine".