57801221943 has 16 divisors (see below), whose sum is σ = 81608207616. Its totient is φ = 36264552320.

The previous prime is 57801221921. The next prime is 57801221999. The reversal of 57801221943 is 34912210875.

It is not a de Polignac number, because 57801221943 - 2⁵ = 57801221911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57801221895 and 57801221904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57801221243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734230 + ... + 809132.

It is an arithmetic number, because the mean of its divisors is an integer number (5100512976).

Almost surely, 2^57801221943 is an apocalyptic number.

57801221943 is a deficient number, since it is larger than the sum of its proper divisors (23806985673).

57801221943 is a wasteful number, since it uses less digits than its factorization.

57801221943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90054.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 57801221943 in words is "fifty-seven billion, eight hundred one million, two hundred twenty-one thousand, nine hundred forty-three".