57530479 has 4 divisors (see below), whose sum is σ = 57624040. Its totient is φ = 57436920.

The previous prime is 57530477. The next prime is 57530483. The reversal of 57530479 is 97403575.

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

It is a cyclic number.

It is not a de Polignac number, because 57530479 - 2¹ = 57530477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57530471) 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 in 3 ways as a sum of consecutive naturals, for example, 45852 + ... + 47089.

It is an arithmetic number, because the mean of its divisors is an integer number (14406010).

Almost surely, 2^57530479 is an apocalyptic number.

57530479 is a deficient number, since it is larger than the sum of its proper divisors (93561).

57530479 is an equidigital number, since it uses as much as digits as its factorization.

57530479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93560.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 57530479 is about 7584.8849035434. The cubic root of 57530479 is about 386.0403167818.

The spelling of 57530479 in words is "fifty-seven million, five hundred thirty thousand, four hundred seventy-nine".