57221083623 has 64 divisors (see below), whose sum is σ = 87834792960. Its totient is φ = 32796825600.

The previous prime is 57221083609. The next prime is 57221083631. The reversal of 57221083623 is 32638012275.

It is not a de Polignac number, because 57221083623 - 2⁶ = 57221083559 is a prime.

It is a super-2 number, since 2×57221083623² (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 (57221083223) 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 63 ways as a sum of consecutive naturals, for example, 60808333 + ... + 60809273.

It is an arithmetic number, because the mean of its divisors is an integer number (1372418640).

Almost surely, 2^57221083623 is an apocalyptic number.

57221083623 is a deficient number, since it is larger than the sum of its proper divisors (30613709337).

57221083623 is a wasteful number, since it uses less digits than its factorization.

57221083623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 57221083623 its reverse (32638012275), we get a palindrome (89859095898).

The spelling of 57221083623 in words is "fifty-seven billion, two hundred twenty-one million, eighty-three thousand, six hundred twenty-three".