50553442505 has 8 divisors (see below), whose sum is σ = 60665444424. Its totient is φ = 40441878400.

The previous prime is 50553442477. The next prime is 50553442547. The reversal of 50553442505 is 50524435505.

It can be written as a sum of positive squares in 4 ways, for example, as 17680489024 + 32872953481 = 132968^2 + 181309^2 .

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

It is not a de Polignac number, because 50553442505 - 2²² = 50549248201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254765 + ... + 407445.

It is an arithmetic number, because the mean of its divisors is an integer number (7583180553).

Almost surely, 2^50553442505 is an apocalyptic number.

It is an amenable number.

50553442505 is a deficient number, since it is larger than the sum of its proper divisors (10112001919).

50553442505 is a wasteful number, since it uses less digits than its factorization.

50553442505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218907.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 50553442505 in words is "fifty billion, five hundred fifty-three million, four hundred forty-two thousand, five hundred five".