57365038221 has 8 divisors (see below), whose sum is σ = 80985936384. Its totient is φ = 35993749440.

The previous prime is 57365038217. The next prime is 57365038261. The reversal of 57365038221 is 12283056375.

It is a happy number.

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

It is not a de Polignac number, because 57365038221 - 2² = 57365038217 is a prime.

It is a super-2 number, since 2×57365038221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57365038261) 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 7 ways as a sum of consecutive naturals, for example, 562402285 + ... + 562402386.

It is an arithmetic number, because the mean of its divisors is an integer number (10123242048).

Almost surely, 2^57365038221 is an apocalyptic number.

57365038221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57365038221 is a deficient number, since it is larger than the sum of its proper divisors (23620898163).

57365038221 is a wasteful number, since it uses less digits than its factorization.

57365038221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124804691.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 57365038221 in words is "fifty-seven billion, three hundred sixty-five million, thirty-eight thousand, two hundred twenty-one".