51160065 has 32 divisors (see below), whose sum is σ = 94003200. Its totient is φ = 23497920.

The previous prime is 51160063. The next prime is 51160069. The reversal of 51160065 is 56006115.

It is not a de Polignac number, because 51160065 - 2¹ = 51160063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51160063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5025 + ... + 11294.

It is an arithmetic number, because the mean of its divisors is an integer number (2937600).

Almost surely, 2^51160065 is an apocalyptic number.

51160065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51160065 is a deficient number, since it is larger than the sum of its proper divisors (42843135).

51160065 is a wasteful number, since it uses less digits than its factorization.

51160065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16357.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51160065 is about 7152.6264406860. The cubic root of 51160065 is about 371.2305389474.

The spelling of 51160065 in words is "fifty-one million, one hundred sixty thousand, sixty-five".