51110165 has 16 divisors (see below), whose sum is σ = 63667200. Its totient is φ = 39346560.

The previous prime is 51110123. The next prime is 51110167. The reversal of 51110165 is 56101115.

It is not a de Polignac number, because 51110165 - 2¹⁶ = 51044629 is a prime.

It is a super-2 number, since 2×51110165² = 5224497932654450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30017 + ... + 31673.

It is an arithmetic number, because the mean of its divisors is an integer number (3979200).

Almost surely, 2^51110165 is an apocalyptic number.

It is an amenable number.

51110165 is a deficient number, since it is larger than the sum of its proper divisors (12557035).

51110165 is a wasteful number, since it uses less digits than its factorization.

51110165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 51110165 is about 7149.1373605492. The cubic root of 51110165 is about 371.1098039570.

The spelling of 51110165 in words is "fifty-one million, one hundred ten thousand, one hundred sixty-five".