50501213551 has 8 divisors (see below), whose sum is σ = 52765463520. Its totient is φ = 48242675712.

The previous prime is 50501213509. The next prime is 50501213579. The reversal of 50501213551 is 15531210505.

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

It is a cyclic number.

It is not a de Polignac number, because 50501213551 - 2¹⁹ = 50500689263 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 (50501213051) 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, 1409950 + ... + 1445323.

It is an arithmetic number, because the mean of its divisors is an integer number (6595682940).

Almost surely, 2^50501213551 is an apocalyptic number.

50501213551 is a deficient number, since it is larger than the sum of its proper divisors (2264249969).

50501213551 is a wasteful number, since it uses less digits than its factorization.

50501213551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856065.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 50501213551 in words is "fifty billion, five hundred one million, two hundred thirteen thousand, five hundred fifty-one".