50555502553 has 4 divisors (see below), whose sum is σ = 52186325248. Its totient is φ = 48924679860.

The previous prime is 50555502551. The next prime is 50555502583. The reversal of 50555502553 is 35520555505.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35520555505 = 5 ⋅7104111101.

It is a cyclic number.

It is not a de Polignac number, because 50555502553 - 2¹ = 50555502551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555502551) 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, 815411301 + ... + 815411362.

It is an arithmetic number, because the mean of its divisors is an integer number (13046581312).

Almost surely, 2^50555502553 is an apocalyptic number.

It is an amenable number.

50555502553 is a deficient number, since it is larger than the sum of its proper divisors (1630822695).

50555502553 is a wasteful number, since it uses less digits than its factorization.

50555502553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630822694.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 50555502553 in words is "fifty billion, five hundred fifty-five million, five hundred two thousand, five hundred fifty-three".