51050600055 has 64 divisors (see below), whose sum is σ = 111700485120. Its totient is φ = 21542226048.

The previous prime is 51050600023. The next prime is 51050600071. The reversal of 51050600055 is 55000605015.

51050600055 is a `hidden beast` number, since 5 + 1 + 0 + 5 + 0 + 600 + 0 + 55 = 666.

It is not a de Polignac number, because 51050600055 - 2⁵ = 51050600023 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2065477 + ... + 2090046.

It is an arithmetic number, because the mean of its divisors is an integer number (1745320080).

Almost surely, 2^51050600055 is an apocalyptic number.

51050600055 is an abundant number, since it is smaller than the sum of its proper divisors (60649885065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51050600055 is a wasteful number, since it uses less digits than its factorization.

51050600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155557 (or 4155551 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 51050600055 in words is "fifty-one billion, fifty million, six hundred thousand, fifty-five".