50451332520 has 32 divisors (see below), whose sum is σ = 151353997920. Its totient is φ = 13453688640.

The previous prime is 50451332479. The next prime is 50451332527. The reversal of 50451332520 is 2523315405.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50451332527) 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, 210213766 + ... + 210214005.

It is an arithmetic number, because the mean of its divisors is an integer number (4729812435).

Almost surely, 2^50451332520 is an apocalyptic number.

It is an amenable number.

50451332520 is an abundant number, since it is smaller than the sum of its proper divisors (100902665400).

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

50451332520 is a wasteful number, since it uses less digits than its factorization.

50451332520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420427785 (or 420427781 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 50451332520 its reverse (2523315405), we get a palindrome (52974647925).

The spelling of 50451332520 in words is "fifty billion, four hundred fifty-one million, three hundred thirty-two thousand, five hundred twenty".