57750079 has 4 divisors (see below), whose sum is σ = 60260976. Its totient is φ = 55239184.

The previous prime is 57750073. The next prime is 57750097. The reversal of 57750079 is 97005775.

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-57750079 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 (57750073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255414 + ... + 1255459.

It is an arithmetic number, because the mean of its divisors is an integer number (15065244).

Almost surely, 2^57750079 is an apocalyptic number.

57750079 is a deficient number, since it is larger than the sum of its proper divisors (2510897).

57750079 is a wasteful number, since it uses less digits than its factorization.

57750079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510896.

The product of its (nonzero) digits is 77175, while the sum is 40.

The square root of 57750079 is about 7599.3472746019. The cubic root of 57750079 is about 386.5308788793.

The spelling of 57750079 in words is "fifty-seven million, seven hundred fifty thousand, seventy-nine".