50541315551 has 4 divisors (see below), whose sum is σ = 50619918552. Its totient is φ = 50462712552.

The previous prime is 50541315547. The next prime is 50541315557. The reversal of 50541315551 is 15551314505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50541315551 - 2² = 50541315547 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 (50541315557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39300536 + ... + 39301821.

It is an arithmetic number, because the mean of its divisors is an integer number (12654979638).

Almost surely, 2^50541315551 is an apocalyptic number.

50541315551 is a deficient number, since it is larger than the sum of its proper divisors (78603001).

50541315551 is an equidigital number, since it uses as much as digits as its factorization.

50541315551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78603000.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 50541315551 in words is "fifty billion, five hundred forty-one million, three hundred fifteen thousand, five hundred fifty-one".