51356332 has 24 divisors (see below), whose sum is σ = 97020000. Its totient is φ = 23713536.

The previous prime is 51356287. The next prime is 51356339. The reversal of 51356332 is 23365315.

51356332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51356332.

It is not an unprimeable number, because it can be changed into a prime (51356339) 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 7 ways as a sum of consecutive naturals, for example, 6957 + ... + 12292.

It is an arithmetic number, because the mean of its divisors is an integer number (4042500).

Almost surely, 2^51356332 is an apocalyptic number.

It is an amenable number.

51356332 is a deficient number, since it is larger than the sum of its proper divisors (45663668).

51356332 is a wasteful number, since it uses less digits than its factorization.

51356332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19305 (or 19303 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 51356332 is about 7166.3332325535. Note that the first 3 decimals coincide. The cubic root of 51356332 is about 371.7046543872.

The spelling of 51356332 in words is "fifty-one million, three hundred fifty-six thousand, three hundred thirty-two".