50554523409 has 16 divisors (see below), whose sum is σ = 72754997952. Its totient is φ = 31040238528.

The previous prime is 50554523377. The next prime is 50554523423. The reversal of 50554523409 is 90432545505.

It is a happy number.

It is not a de Polignac number, because 50554523409 - 2⁵ = 50554523377 is a prime.

It is a super-2 number, since 2×50554523409² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50554523309) 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 15 ways as a sum of consecutive naturals, for example, 1445782 + ... + 1480335.

It is an arithmetic number, because the mean of its divisors is an integer number (4547187372).

Almost surely, 2^50554523409 is an apocalyptic number.

It is an amenable number.

50554523409 is a deficient number, since it is larger than the sum of its proper divisors (22200474543).

50554523409 is a wasteful number, since it uses less digits than its factorization.

50554523409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926576.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 50554523409 in words is "fifty billion, five hundred fifty-four million, five hundred twenty-three thousand, four hundred nine".