550555000051 has 8 divisors (see below), whose sum is σ = 631018990080. Its totient is φ = 470544328968.

The previous prime is 550555000019. The next prime is 550555000057. The reversal of 550555000051 is 150000555055.

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

It is not a de Polignac number, because 550555000051 - 2⁵ = 550555000019 is a prime.

It is a super-2 number, since 2×550555000051² (a number of 24 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 = 550554999977 and 550555000022.

It is not an unprimeable number, because it can be changed into a prime (550555000057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113327131 + ... + 113331988.

It is an arithmetic number, because the mean of its divisors is an integer number (78877373760).

Almost surely, 2^550555000051 is an apocalyptic number.

550555000051 is a deficient number, since it is larger than the sum of its proper divisors (80463990029).

550555000051 is a wasteful number, since it uses less digits than its factorization.

550555000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226659473.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 550555000051 in words is "five hundred fifty billion, five hundred fifty-five million, fifty-one", and thus it is an aban number.