50511053551 has 8 divisors (see below), whose sum is σ = 57734360064. Its totient is φ = 43289607480.

The previous prime is 50511053471. The next prime is 50511053623. The reversal of 50511053551 is 15535011505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50511053551 - 2¹⁹ = 50510529263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511053851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406435 + ... + 515956.

It is an arithmetic number, because the mean of its divisors is an integer number (7216795008).

Almost surely, 2^50511053551 is an apocalyptic number.

50511053551 is a deficient number, since it is larger than the sum of its proper divisors (7223306513).

50511053551 is an equidigital number, since it uses as much as digits as its factorization.

50511053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930221.

The product of its (nonzero) digits is 9375, while the sum is 31.

The spelling of 50511053551 in words is "fifty billion, five hundred eleven million, fifty-three thousand, five hundred fifty-one".