51788308 has 48 divisors (see below), whose sum is σ = 109396224. Its totient is φ = 21133440.

The previous prime is 51788291. The next prime is 51788309. The reversal of 51788308 is 80388715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51788309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19941 + ... + 22387.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^51788308 is an apocalyptic number.

It is an amenable number.

51788308 is an abundant number, since it is smaller than the sum of its proper divisors (57607916).

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

51788308 is a wasteful number, since it uses less digits than its factorization.

51788308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 51788308 is about 7196.4093824629. The cubic root of 51788308 is about 372.7439250361.

The spelling of 51788308 in words is "fifty-one million, seven hundred eighty-eight thousand, three hundred eight".