51073365 has 32 divisors (see below), whose sum is σ = 93701376. Its totient is φ = 23270400.

The previous prime is 51073339. The next prime is 51073369. The reversal of 51073365 is 56337015.

It is not a de Polignac number, because 51073365 - 2⁵ = 51073333 is a prime.

It is a super-2 number, since 2×51073365² = 5216977224846450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073369) 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, 41499 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (2928168).

Almost surely, 2^51073365 is an apocalyptic number.

It is an amenable number.

51073365 is a deficient number, since it is larger than the sum of its proper divisors (42628011).

51073365 is a wasteful number, since it uses less digits than its factorization.

51073365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 51073365 is about 7146.5631600092. The cubic root of 51073365 is about 371.0207145701.

The spelling of 51073365 in words is "fifty-one million, seventy-three thousand, three hundred sixty-five".