57392889 has 8 divisors (see below), whose sum is σ = 79851072. Its totient is φ = 36598320.

The previous prime is 57392879. The next prime is 57392891. The reversal of 57392889 is 98829375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57392889 - 2⁵ = 57392857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57392849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415822 + ... + 415959.

It is an arithmetic number, because the mean of its divisors is an integer number (9981384).

Almost surely, 2^57392889 is an apocalyptic number.

It is an amenable number.

57392889 is a deficient number, since it is larger than the sum of its proper divisors (22458183).

57392889 is a wasteful number, since it uses less digits than its factorization.

57392889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831807.

The product of its digits is 1088640, while the sum is 51.

The square root of 57392889 is about 7575.8094617011. The cubic root of 57392889 is about 385.7323195370.

The spelling of 57392889 in words is "fifty-seven million, three hundred ninety-two thousand, eight hundred eighty-nine".