50101531264 has 64 divisors (see below), whose sum is σ = 101582452800. Its totient is φ = 24606996480.

The previous prime is 50101531219. The next prime is 50101531267. The reversal of 50101531264 is 46213510105.

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

It is not an unprimeable number, because it can be changed into a prime (50101531267) 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, 17949709 + ... + 17952499.

It is an arithmetic number, because the mean of its divisors is an integer number (1587225825).

Almost surely, 2^50101531264 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 50101531264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50791226400).

50101531264 is an abundant number, since it is smaller than the sum of its proper divisors (51480921536).

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

50101531264 is a wasteful number, since it uses less digits than its factorization.

50101531264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 50101531264 in words is "fifty billion, one hundred one million, five hundred thirty-one thousand, two hundred sixty-four".