51165051 has 16 divisors (see below), whose sum is σ = 78086400. Its totient is φ = 29191968.

The previous prime is 51165029. The next prime is 51165083. The reversal of 51165051 is 15056115.

It is not a de Polignac number, because 51165051 - 2¹⁷ = 51033979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51165001) 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, 15940 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (4880400).

Almost surely, 2^51165051 is an apocalyptic number.

51165051 is a deficient number, since it is larger than the sum of its proper divisors (26921349).

51165051 is a wasteful number, since it uses less digits than its factorization.

51165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 51165051 is about 7152.9749754910. The cubic root of 51165051 is about 371.2425984535.

The spelling of 51165051 in words is "fifty-one million, one hundred sixty-five thousand, fifty-one".