56899971072 has 768 divisors, whose sum is σ = 206152128000. Its totient is φ = 15160836096.

The previous prime is 56899971067. The next prime is 56899971119. The reversal of 56899971072 is 27017999865.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 415328188 + ... + 415328324.

It is an arithmetic number, because the mean of its divisors is an integer number (268427250).

Almost surely, 2^56899971072 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 56899971072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103076064000).

56899971072 is an abundant number, since it is smaller than the sum of its proper divisors (149252156928).

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

56899971072 is a wasteful number, since it uses less digits than its factorization.

56899971072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 56899971072 in words is "fifty-six billion, eight hundred ninety-nine million, nine hundred seventy-one thousand, seventy-two".