51112988 has 24 divisors (see below), whose sum is σ = 91527408. Its totient is φ = 24966656.

The previous prime is 51112987. The next prime is 51113003. The reversal of 51112988 is 88921115.

51112988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51112988² = 5225075084576288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112981) 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, 74495 + ... + 75177.

It is an arithmetic number, because the mean of its divisors is an integer number (3813642).

Almost surely, 2^51112988 is an apocalyptic number.

It is an amenable number.

51112988 is a deficient number, since it is larger than the sum of its proper divisors (40414420).

51112988 is a wasteful number, since it uses less digits than its factorization.

51112988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1091 counting only the distinct ones).

The product of its digits is 5760, while the sum is 35.

The square root of 51112988 is about 7149.3347942309. The cubic root of 51112988 is about 371.1166364119.

The spelling of 51112988 in words is "fifty-one million, one hundred twelve thousand, nine hundred eighty-eight".