57032993880 has 288 divisors, whose sum is σ = 197156278800. Its totient is φ = 14258958336.

The previous prime is 57032993803. The next prime is 57032993887. The reversal of 57032993880 is 8839923075.

It is a happy number.

57032993880 is a `hidden beast` number, since 570 + 32 + 9 + 9 + 38 + 8 + 0 = 666.

It is a super-2 number, since 2×57032993880² (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 (57032993887) 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 71 ways as a sum of consecutive naturals, for example, 87339634 + ... + 87340286.

Almost surely, 2^57032993880 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 57032993880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98578139400).

57032993880 is an abundant number, since it is smaller than the sum of its proper divisors (140123284920).

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

57032993880 is a wasteful number, since it uses less digits than its factorization.

57032993880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 57032993880 in words is "fifty-seven billion, thirty-two million, nine hundred ninety-three thousand, eight hundred eighty".