50500510551 has 24 divisors (see below), whose sum is σ = 74028564480. Its totient is φ = 33168831696.

The previous prime is 50500510547. The next prime is 50500510553. The reversal of 50500510551 is 15501500505.

50500510551 is a `hidden beast` number, since 5 + 0 + 500 + 5 + 105 + 51 = 666.

It is not a de Polignac number, because 50500510551 - 2² = 50500510547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500510553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252490 + ... + 405896.

It is an arithmetic number, because the mean of its divisors is an integer number (3084523520).

Almost surely, 2^50500510551 is an apocalyptic number.

50500510551 is a deficient number, since it is larger than the sum of its proper divisors (23528053929).

50500510551 is a wasteful number, since it uses less digits than its factorization.

50500510551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153955 (or 153952 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 50500510551 in words is "fifty billion, five hundred million, five hundred ten thousand, five hundred fifty-one".