50551505506 has 8 divisors (see below), whose sum is σ = 78273298944. Its totient is φ = 24460405860.

The previous prime is 50551505497. The next prime is 50551505513. The reversal of 50551505506 is 60550515505.

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

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, 407673370 + ... + 407673493.

It is an arithmetic number, because the mean of its divisors is an integer number (9784162368).

Almost surely, 2^50551505506 is an apocalyptic number.

50551505506 is a deficient number, since it is larger than the sum of its proper divisors (27721793438).

50551505506 is a wasteful number, since it uses less digits than its factorization.

50551505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815346896.

The product of its (nonzero) digits is 93750, while the sum is 37.

Subtracting 50551505506 from its reverse (60550515505), we obtain a palindrome (9999009999).

The spelling of 50551505506 in words is "fifty billion, five hundred fifty-one million, five hundred five thousand, five hundred six".