50405120555 has 8 divisors (see below), whose sum is σ = 60636985344. Its totient is φ = 40223536000.

The previous prime is 50405120509. The next prime is 50405120567. The reversal of 50405120555 is 55502150405.

50405120555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50405120555 - 2¹⁸ = 50404858411 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, 12567851 + ... + 12571860.

It is an arithmetic number, because the mean of its divisors is an integer number (7579623168).

Almost surely, 2^50405120555 is an apocalyptic number.

50405120555 is a deficient number, since it is larger than the sum of its proper divisors (10231864789).

50405120555 is a wasteful number, since it uses less digits than its factorization.

50405120555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25140117.

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 50405120555 in words is "fifty billion, four hundred five million, one hundred twenty thousand, five hundred fifty-five".