51565053 has 8 divisors (see below), whose sum is σ = 68812128. Its totient is φ = 34347344.

The previous prime is 51565051. The next prime is 51565061. The reversal of 51565053 is 35056515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51565053 - 2¹ = 51565051 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51565053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51565051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 10547.

It is an arithmetic number, because the mean of its divisors is an integer number (8601516).

Almost surely, 2^51565053 is an apocalyptic number.

It is an amenable number.

51565053 is a deficient number, since it is larger than the sum of its proper divisors (17247075).

51565053 is a wasteful number, since it uses less digits than its factorization.

51565053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 51565053 is about 7180.8810740744. The cubic root of 51565053 is about 372.2075310390.

The spelling of 51565053 in words is "fifty-one million, five hundred sixty-five thousand, fifty-three".