51360565 has 16 divisors (see below), whose sum is σ = 62735040. Its totient is φ = 40360320.

The previous prime is 51360563. The next prime is 51360571. The reversal of 51360565 is 56506315.

It is not a de Polignac number, because 51360565 - 2¹ = 51360563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51360563) 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, 93622 + ... + 94168.

It is an arithmetic number, because the mean of its divisors is an integer number (3920940).

Almost surely, 2^51360565 is an apocalyptic number.

It is an amenable number.

51360565 is a deficient number, since it is larger than the sum of its proper divisors (11374475).

51360565 is a wasteful number, since it uses less digits than its factorization.

51360565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 51360565 is about 7166.6285657902. The cubic root of 51360565 is about 371.7148665819.

The spelling of 51360565 in words is "fifty-one million, three hundred sixty thousand, five hundred sixty-five".