50551716515 has 8 divisors (see below), whose sum is σ = 60769811088. Its totient is φ = 40369539040.

The previous prime is 50551716451. The next prime is 50551716517. The reversal of 50551716515 is 51561715505.

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

It is not a de Polignac number, because 50551716515 - 2⁶ = 50551716451 is a prime.

It is a super-2 number, since 2×50551716515² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50551716517) 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, 8976176 + ... + 8981805.

It is an arithmetic number, because the mean of its divisors is an integer number (7596226386).

Almost surely, 2^50551716515 is an apocalyptic number.

50551716515 is a deficient number, since it is larger than the sum of its proper divisors (10218094573).

50551716515 is a wasteful number, since it uses less digits than its factorization.

50551716515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958549.

The product of its (nonzero) digits is 131250, while the sum is 41.

The spelling of 50551716515 in words is "fifty billion, five hundred fifty-one million, seven hundred sixteen thousand, five hundred fifteen".