50556515155 has 4 divisors (see below), whose sum is σ = 60667818192. Its totient is φ = 40445212120.

The previous prime is 50556515143. The next prime is 50556515167. The reversal of 50556515155 is 55151565505.

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

It is an interprime number because it is at equal distance from previous prime (50556515143) and next prime (50556515167).

It is not a de Polignac number, because 50556515155 - 2³¹ = 48409031507 is a prime.

It is a super-2 number, since 2×50556515155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055651511 + ... + 5055651520.

It is an arithmetic number, because the mean of its divisors is an integer number (15166954548).

Almost surely, 2^50556515155 is an apocalyptic number.

50556515155 is a deficient number, since it is larger than the sum of its proper divisors (10111303037).

50556515155 is a wasteful number, since it uses less digits than its factorization.

50556515155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111303036.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 50556515155 in words is "fifty billion, five hundred fifty-six million, five hundred fifteen thousand, one hundred fifty-five".