51633552 has 20 divisors (see below), whose sum is σ = 133386800. Its totient is φ = 17211168.

The previous prime is 51633529. The next prime is 51633559. The reversal of 51633552 is 25533615.

51633552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51633559) 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 3 ways as a sum of consecutive naturals, for example, 537802 + ... + 537897.

It is an arithmetic number, because the mean of its divisors is an integer number (6669340).

Almost surely, 2^51633552 is an apocalyptic number.

It is an amenable number.

51633552 is an abundant number, since it is smaller than the sum of its proper divisors (81753248).

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

51633552 is a wasteful number, since it uses less digits than its factorization.

51633552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075710 (or 1075704 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 51633552 is about 7185.6490312288. The cubic root of 51633552 is about 372.3722715687.

The spelling of 51633552 in words is "fifty-one million, six hundred thirty-three thousand, five hundred fifty-two".