51064365 has 16 divisors (see below), whose sum is σ = 89130816. Its totient is φ = 24758400.

The previous prime is 51064357. The next prime is 51064367. The reversal of 51064365 is 56346015.

51064365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51064365 - 2³ = 51064357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154576 + ... + 154905.

It is an arithmetic number, because the mean of its divisors is an integer number (5570676).

Almost surely, 2^51064365 is an apocalyptic number.

51064365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51064365 is a deficient number, since it is larger than the sum of its proper divisors (38066451).

51064365 is a wasteful number, since it uses less digits than its factorization.

51064365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309500.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 51064365 is about 7145.9334589681. The cubic root of 51064365 is about 370.9989198923.

The spelling of 51064365 in words is "fifty-one million, sixty-four thousand, three hundred sixty-five".