51152616 has 48 divisors (see below), whose sum is σ = 138867300. Its totient is φ = 17010432.

The previous prime is 51152603. The next prime is 51152663. The reversal of 51152616 is 61625115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 4284900 = 6846^2 + 2070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51152616.

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 11 ways as a sum of consecutive naturals, for example, 59260 + ... + 60116.

Almost surely, 2^51152616 is an apocalyptic number.

It is an amenable number.

51152616 is an abundant number, since it is smaller than the sum of its proper divisors (87714684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51152616 is a wasteful number, since it uses less digits than its factorization.

51152616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1691 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 51152616 is about 7152.1057039169. The cubic root of 51152616 is about 371.2125207888.

The spelling of 51152616 in words is "fifty-one million, one hundred fifty-two thousand, six hundred sixteen".