50520532551 has 16 divisors (see below), whose sum is σ = 69188713440. Its totient is φ = 32770759680.

The previous prime is 50520532547. The next prime is 50520532571. The reversal of 50520532551 is 15523502505.

It is not a de Polignac number, because 50520532551 - 2² = 50520532547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520532501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504706 + ... + 596463.

It is an arithmetic number, because the mean of its divisors is an integer number (4324294590).

Almost surely, 2^50520532551 is an apocalyptic number.

50520532551 is a deficient number, since it is larger than the sum of its proper divisors (18668180889).

50520532551 is a wasteful number, since it uses less digits than its factorization.

50520532551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101586.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 50520532551 in words is "fifty billion, five hundred twenty million, five hundred thirty-two thousand, five hundred fifty-one".