50000055057 has 16 divisors (see below), whose sum is σ = 74107716480. Its totient is φ = 33318267696.

The previous prime is 50000055037. The next prime is 50000055101. The reversal of 50000055057 is 75055000005.

It is not a de Polignac number, because 50000055057 - 2²³ = 49991666449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 50000055057.

It is not an unprimeable number, because it can be changed into a prime (50000055037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358653 + ... + 478154.

It is an arithmetic number, because the mean of its divisors is an integer number (4631732280).

Almost surely, 2^50000055057 is an apocalyptic number.

It is an amenable number.

50000055057 is a deficient number, since it is larger than the sum of its proper divisors (24107661423).

50000055057 is a wasteful number, since it uses less digits than its factorization.

50000055057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839029 (or 839023 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The spelling of 50000055057 in words is "fifty billion, fifty-five thousand, fifty-seven".