51388108 has 24 divisors (see below), whose sum is σ = 93369024. Its totient is φ = 24729600.

The previous prime is 51388091. The next prime is 51388121. The reversal of 51388108 is 80188315.

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 7 ways as a sum of consecutive naturals, for example, 9228 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (3890376).

Almost surely, 2^51388108 is an apocalyptic number.

It is an amenable number.

51388108 is a deficient number, since it is larger than the sum of its proper divisors (41980916).

51388108 is a wasteful number, since it uses less digits than its factorization.

51388108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 51388108 is about 7168.5499231016. The cubic root of 51388108 is about 371.7813009042.

The spelling of 51388108 in words is "fifty-one million, three hundred eighty-eight thousand, one hundred eight".