50207661056 has 132 divisors (see below), whose sum is σ = 117052372800. Its totient is φ = 21462368256.

The previous prime is 50207661043. The next prime is 50207661061. The reversal of 50207661056 is 65016670205.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 24033260 + ... + 24035348.

It is an arithmetic number, because the mean of its divisors is an integer number (886760400).

Almost surely, 2^50207661056 is an apocalyptic number.

50207661056 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 50207661056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58526186400).

50207661056 is an abundant number, since it is smaller than the sum of its proper divisors (66844711744).

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

50207661056 is a wasteful number, since it uses less digits than its factorization.

50207661056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 50207661056 in words is "fifty billion, two hundred seven million, six hundred sixty-one thousand, fifty-six".