10550550051 has 8 divisors (see below), whose sum is σ = 15630444560. Its totient is φ = 7033700016.

The previous prime is 10550550007. The next prime is 10550550053. The reversal of 10550550051 is 15005505501.

10550550051 is a `hidden beast` number, since 10 + 5 + 50 + 550 + 0 + 51 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-10550550051 is a prime.

It is a super-2 number, since 2×10550550051² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 390761113 = 10550550051 / (1 + 0 + 5 + 5 + 0 + 5 + 5 + 0 + 0 + 5 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10550549997 and 10550550024.

It is not an unprimeable number, because it can be changed into a prime (10550550053) 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, 195380530 + ... + 195380583.

It is an arithmetic number, because the mean of its divisors is an integer number (1953805570).

Almost surely, 2^10550550051 is an apocalyptic number.

10550550051 is a deficient number, since it is larger than the sum of its proper divisors (5079894509).

10550550051 is an equidigital number, since it uses as much as digits as its factorization.

10550550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390761122 (or 390761116 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 10550550051 in words is "ten billion, five hundred fifty million, five hundred fifty thousand, fifty-one".