51153265 has 8 divisors (see below), whose sum is σ = 64052928. Its totient is φ = 39143280.

The previous prime is 51153257. The next prime is 51153287. The reversal of 51153265 is 56235115.

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

It is not a de Polignac number, because 51153265 - 2³ = 51153257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222291 + ... + 222520.

It is an arithmetic number, because the mean of its divisors is an integer number (8006616).

Almost surely, 2^51153265 is an apocalyptic number.

It is an amenable number.

51153265 is a deficient number, since it is larger than the sum of its proper divisors (12899663).

51153265 is a wasteful number, since it uses less digits than its factorization.

51153265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444839.

The product of its digits is 4500, while the sum is 28.

The square root of 51153265 is about 7152.1510750263. The cubic root of 51153265 is about 371.2140907046.

The spelling of 51153265 in words is "fifty-one million, one hundred fifty-three thousand, two hundred sixty-five".