51615153 has 12 divisors (see below), whose sum is σ = 78479440. Its totient is φ = 32598936.

The previous prime is 51615149. The next prime is 51615241. The reversal of 51615153 is 35151615.

51615153 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 51615153 - 2² = 51615149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51615133) 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 11 ways as a sum of consecutive naturals, for example, 150751 + ... + 151092.

Almost surely, 2^51615153 is an apocalyptic number.

It is an amenable number.

51615153 is a deficient number, since it is larger than the sum of its proper divisors (26864287).

51615153 is a wasteful number, since it uses less digits than its factorization.

51615153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301868 (or 301865 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 51615153 is about 7184.3686570220. The cubic root of 51615153 is about 372.3280361758.

Adding to 51615153 its reverse (35151615), we get a palindrome (86766768).

The spelling of 51615153 in words is "fifty-one million, six hundred fifteen thousand, one hundred fifty-three".