51552288 has 60 divisors (see below), whose sum is σ = 151621470. Its totient is φ = 17183232.

The previous prime is 51552217. The next prime is 51552317. The reversal of 51552288 is 88225515.

51552288 is a `hidden beast` number, since 51 + 5 + 522 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31945104 + 19607184 = 5652^2 + 4428^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7353 + ... + 12536.

Almost surely, 2^51552288 is an apocalyptic number.

It is an amenable number.

51552288 is an abundant number, since it is smaller than the sum of its proper divisors (100069182).

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

51552288 is a wasteful number, since it uses less digits than its factorization.

51552288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19911 (or 19894 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 51552288 is about 7179.9922005529. The cubic root of 51552288 is about 372.1768150084.

The spelling of 51552288 in words is "fifty-one million, five hundred fifty-two thousand, two hundred eighty-eight".