50505554501 has 4 divisors (see below), whose sum is σ = 53163741600. Its totient is φ = 47847367404.

The previous prime is 50505554483. The next prime is 50505554557. The reversal of 50505554501 is 10545550505.

It is a happy number.

50505554501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50505554501 - 2²² = 50501360197 is a prime.

It is a super-2 number, since 2×50505554501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505544501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329093521 + ... + 1329093558.

It is an arithmetic number, because the mean of its divisors is an integer number (13290935400).

Almost surely, 2^50505554501 is an apocalyptic number.

It is an amenable number.

50505554501 is a deficient number, since it is larger than the sum of its proper divisors (2658187099).

50505554501 is a wasteful number, since it uses less digits than its factorization.

50505554501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658187098.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 50505554501 in words is "fifty billion, five hundred five million, five hundred fifty-four thousand, five hundred one".