55879791744 has 256 divisors, whose sum is σ = 172495872000. Its totient is φ = 15698202624.

The previous prime is 55879791743. The next prime is 55879791811. The reversal of 55879791744 is 44719797855.

It is a super-2 number, since 2×55879791744² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55879791743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76234002 + ... + 76234734.

It is an arithmetic number, because the mean of its divisors is an integer number (673812000).

Almost surely, 2^55879791744 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 55879791744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86247936000).

55879791744 is an abundant number, since it is smaller than the sum of its proper divisors (116616080256).

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

55879791744 is a wasteful number, since it uses less digits than its factorization.

55879791744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1183 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 66.

The spelling of 55879791744 in words is "fifty-five billion, eight hundred seventy-nine million, seven hundred ninety-one thousand, seven hundred forty-four".