57399422 has 4 divisors (see below), whose sum is σ = 86099136. Its totient is φ = 28699710.

The previous prime is 57399409. The next prime is 57399427. The reversal of 57399422 is 22499375.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57399422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57399427) 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 as a sum of consecutive naturals, namely, 14349854 + ... + 14349857.

It is an arithmetic number, because the mean of its divisors is an integer number (21524784).

Almost surely, 2^57399422 is an apocalyptic number.

57399422 is a deficient number, since it is larger than the sum of its proper divisors (28699714).

57399422 is a wasteful number, since it uses less digits than its factorization.

57399422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28699713.

The product of its digits is 136080, while the sum is 41.

The square root of 57399422 is about 7576.2406244786. The cubic root of 57399422 is about 385.7469548787.

The spelling of 57399422 in words is "fifty-seven million, three hundred ninety-nine thousand, four hundred twenty-two".