50521511252 has 24 divisors (see below), whose sum is σ = 93073626240. Its totient is φ = 23929266240.

The previous prime is 50521511129. The next prime is 50521511267. The reversal of 50521511252 is 25211512505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352693 + ... + 1389539.

It is an arithmetic number, because the mean of its divisors is an integer number (3878067760).

Almost surely, 2^50521511252 is an apocalyptic number.

It is an amenable number.

50521511252 is a deficient number, since it is larger than the sum of its proper divisors (42552114988).

50521511252 is a wasteful number, since it uses less digits than its factorization.

50521511252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54911 (or 54909 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 50521511252 in words is "fifty billion, five hundred twenty-one million, five hundred eleven thousand, two hundred fifty-two".