57426959 has 4 divisors (see below), whose sum is σ = 57747960. Its totient is φ = 57105960.

The previous prime is 57426947. The next prime is 57427009. The reversal of 57426959 is 95962475.

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 57426959 - 2²⁰ = 56378383 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 (57426359) 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, 160232 + ... + 160589.

It is an arithmetic number, because the mean of its divisors is an integer number (14436990).

Almost surely, 2^57426959 is an apocalyptic number.

57426959 is a deficient number, since it is larger than the sum of its proper divisors (321001).

57426959 is a wasteful number, since it uses less digits than its factorization.

57426959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321000.

The product of its digits is 680400, while the sum is 47.

The square root of 57426959 is about 7578.0577326911. The cubic root of 57426959 is about 385.8086315491.

It can be divided in two parts, 57426 and 959, that added together give a palindrome (58385).

The spelling of 57426959 in words is "fifty-seven million, four hundred twenty-six thousand, nine hundred fifty-nine".