50555701507 has 4 divisors (see below), whose sum is σ = 51922071856. Its totient is φ = 49189331160.

The previous prime is 50555701487. The next prime is 50555701519. The reversal of 50555701507 is 70510755505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50555701507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50555701507.

It is not an unprimeable number, because it can be changed into a prime (50555701577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683185119 + ... + 683185192.

It is an arithmetic number, because the mean of its divisors is an integer number (12980517964).

Almost surely, 2^50555701507 is an apocalyptic number.

50555701507 is a deficient number, since it is larger than the sum of its proper divisors (1366370349).

50555701507 is a wasteful number, since it uses less digits than its factorization.

50555701507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366370348.

The product of its (nonzero) digits is 153125, while the sum is 40.

The spelling of 50555701507 in words is "fifty billion, five hundred fifty-five million, seven hundred one thousand, five hundred seven".