55000000051 has 8 divisors (see below), whose sum is σ = 55115376624. Its totient is φ = 54884741280.

The previous prime is 55000000039. The next prime is 55000000087. The reversal of 55000000051 is 15000000055.

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 55000000051 - 2¹³ = 54999991859 is a prime.

It is a super-2 number, since 2×55000000051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54999999971 and 55000000034.

It is not an unprimeable number, because it can be changed into a prime (55000000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938316 + ... + 995206.

It is an arithmetic number, because the mean of its divisors is an integer number (6889422078).

Almost surely, 2^55000000051 is an apocalyptic number.

55000000051 is a deficient number, since it is larger than the sum of its proper divisors (115376573).

55000000051 is a wasteful number, since it uses less digits than its factorization.

55000000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58901.

The product of its (nonzero) digits is 125, while the sum is 16.

The spelling of 55000000051 in words is "fifty-five billion, fifty-one", and thus it is an aban number and an uban number.