55000050051 has 8 divisors (see below), whose sum is σ = 74059473744. Its totient is φ = 36303663200.

The previous prime is 55000050031. The next prime is 55000050059. The reversal of 55000050051 is 15005000055.

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

It is a cyclic number.

It is not a de Polignac number, because 55000050051 - 2⁹ = 55000049539 is a prime.

It is a super-2 number, since 2×55000050051² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55000050059) 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, 90758856 + ... + 90759461.

It is an arithmetic number, because the mean of its divisors is an integer number (9257434218).

Almost surely, 2^55000050051 is an apocalyptic number.

55000050051 is a deficient number, since it is larger than the sum of its proper divisors (19059423693).

55000050051 is a wasteful number, since it uses less digits than its factorization.

55000050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181518421.

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 55000050051 in words is "fifty-five billion, fifty thousand, fifty-one".