57221143626 has 32 divisors (see below), whose sum is σ = 116041387968. Its totient is φ = 18808912640.

The previous prime is 57221143619. The next prime is 57221143657. The reversal of 57221143626 is 62634112275.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80640 + ... + 347771.

It is an arithmetic number, because the mean of its divisors is an integer number (3626293374).

Almost surely, 2^57221143626 is an apocalyptic number.

57221143626 is an abundant number, since it is smaller than the sum of its proper divisors (58820244342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57221143626 is a wasteful number, since it uses less digits than its factorization.

57221143626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428726.

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

The spelling of 57221143626 in words is "fifty-seven billion, two hundred twenty-one million, one hundred forty-three thousand, six hundred twenty-six".