57765423 has 4 divisors (see below), whose sum is σ = 77020568. Its totient is φ = 38510280.

The previous prime is 57765403. The next prime is 57765497. The reversal of 57765423 is 32456775.

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

It is not a de Polignac number, because 57765423 - 2¹⁷ = 57634351 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 (57765403) 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, 9627568 + ... + 9627573.

It is an arithmetic number, because the mean of its divisors is an integer number (19255142).

Almost surely, 2^57765423 is an apocalyptic number.

57765423 is a deficient number, since it is larger than the sum of its proper divisors (19255145).

57765423 is a wasteful number, since it uses less digits than its factorization.

57765423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19255144.

The product of its digits is 176400, while the sum is 39.

The square root of 57765423 is about 7600.3567679419. The cubic root of 57765423 is about 386.5651091621.

The spelling of 57765423 in words is "fifty-seven million, seven hundred sixty-five thousand, four hundred twenty-three".