50521555552 has 48 divisors (see below), whose sum is σ = 107183003760. Its totient is φ = 23302927872.

The previous prime is 50521555547. The next prime is 50521555559. The reversal of 50521555552 is 25555512505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521555559) 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, 635998 + ... + 711010.

It is an arithmetic number, because the mean of its divisors is an integer number (2232979245).

Almost surely, 2^50521555552 is an apocalyptic number.

50521555552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50521555552 is an abundant number, since it is smaller than the sum of its proper divisors (56661448208).

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

50521555552 is a wasteful number, since it uses less digits than its factorization.

50521555552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76655 (or 76647 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 50521555552 in words is "fifty billion, five hundred twenty-one million, five hundred fifty-five thousand, five hundred fifty-two".