59996955520 has 64 divisors (see below), whose sum is σ = 143584086240. Its totient is φ = 23973038080.

The previous prime is 59996955511. The next prime is 59996955523. The reversal of 59996955520 is 2555969995.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59996955523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552429 + ... + 652051.

Almost surely, 2^59996955520 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 59996955520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71792043120).

59996955520 is an abundant number, since it is smaller than the sum of its proper divisors (83587130720).

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

59996955520 is an equidigital number, since it uses as much as digits as its factorization.

59996955520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100583 (or 100571 counting only the distinct ones).

The product of its (nonzero) digits is 49207500, while the sum is 64.

The spelling of 59996955520 in words is "fifty-nine billion, nine hundred ninety-six million, nine hundred fifty-five thousand, five hundred twenty".