50001557055 has 8 divisors (see below), whose sum is σ = 80002491312. Its totient is φ = 26667497088.

The previous prime is 50001557051. The next prime is 50001557129. The reversal of 50001557055 is 55075510005.

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

It is not a de Polignac number, because 50001557055 - 2² = 50001557051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001557051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666718554 + ... + 1666718583.

It is an arithmetic number, because the mean of its divisors is an integer number (10000311414).

Almost surely, 2^50001557055 is an apocalyptic number.

50001557055 is a deficient number, since it is larger than the sum of its proper divisors (30000934257).

50001557055 is a wasteful number, since it uses less digits than its factorization.

50001557055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333437145.

The product of its (nonzero) digits is 21875, while the sum is 33.

The spelling of 50001557055 in words is "fifty billion, one million, five hundred fifty-seven thousand, fifty-five".