50664513536 has 448 divisors, whose sum is σ = 135782304000. Its totient is φ = 18728091648.

The previous prime is 50664513521. The next prime is 50664513587. The reversal of 50664513536 is 63531546605.

50664513536 = 161³ + 162³ + ... + 671³.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694034396 + ... + 694034468.

It is an arithmetic number, because the mean of its divisors is an integer number (303085500).

Almost surely, 2^50664513536 is an apocalyptic number.

50664513536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50664513536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67891152000).

50664513536 is an abundant number, since it is smaller than the sum of its proper divisors (85117790464).

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

50664513536 is an equidigital number, since it uses as much as digits as its factorization.

50664513536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 50664513536 in words is "fifty billion, six hundred sixty-four million, five hundred thirteen thousand, five hundred thirty-six".