57233320641972 has 144 divisors (see below), whose sum is σ = 161286010704000. Its totient is φ = 17006257152000.

The previous prime is 57233320641949. The next prime is 57233320641979. The reversal of 57233320641972 is 27914602333275.

57233320641972 is a `hidden beast` number, since 5 + 7 + 233 + 320 + 6 + 4 + 19 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57233320641979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45908529 + ... + 47138727.

It is an arithmetic number, because the mean of its divisors is an integer number (1120041741000).

Almost surely, 2^{57233320641972} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57233320641972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80643005352000).

57233320641972 is an abundant number, since it is smaller than the sum of its proper divisors (104052690062028).

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

57233320641972 is a wasteful number, since it uses less digits than its factorization.

57233320641972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234246 (or 1234241 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 54.

The spelling of 57233320641972 in words is "fifty-seven trillion, two hundred thirty-three billion, three hundred twenty million, six hundred forty-one thousand, nine hundred seventy-two".