16550051 has 4 divisors (see below), whose sum is σ = 18914352. Its totient is φ = 14185752.

The previous prime is 16550047. The next prime is 16550071. The reversal of 16550051 is 15005561.

16550051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16550051 - 2² = 16550047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16549999 and 16550026.

It is not an unprimeable number, because it can be changed into a prime (16550071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182140 + ... + 1182153.

It is an arithmetic number, because the mean of its divisors is an integer number (4728588).

Almost surely, 2^16550051 is an apocalyptic number.

16550051 is a deficient number, since it is larger than the sum of its proper divisors (2364301).

16550051 is an equidigital number, since it uses as much as digits as its factorization.

16550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364300.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 16550051 is about 4068.1753895328. The cubic root of 16550051 is about 254.8393246417.

The spelling of 16550051 in words is "sixteen million, five hundred fifty thousand, fifty-one".