57556423 has 4 divisors (see below), whose sum is σ = 59112040. Its totient is φ = 56000808.

The previous prime is 57556397. The next prime is 57556439. The reversal of 57556423 is 32465575.

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 57556423 - 2⁵ = 57556391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1555579 = 57556423 / (5 + 7 + 5 + 5 + 6 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57556483) 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, 777753 + ... + 777826.

It is an arithmetic number, because the mean of its divisors is an integer number (14778010).

Almost surely, 2^57556423 is an apocalyptic number.

57556423 is a deficient number, since it is larger than the sum of its proper divisors (1555617).

57556423 is a wasteful number, since it uses less digits than its factorization.

57556423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555616.

The product of its digits is 126000, while the sum is 37.

The square root of 57556423 is about 7586.5949542598. The cubic root of 57556423 is about 386.0983377648.

The spelling of 57556423 in words is "fifty-seven million, five hundred fifty-six thousand, four hundred twenty-three".