51118528 has 14 divisors (see below), whose sum is σ = 101438456. Its totient is φ = 25559232.

The previous prime is 51118499. The next prime is 51118567. The reversal of 51118528 is 82581115.

It is a super-2 number, since 2×51118528² = 5226207809773568, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51118528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399300 + ... + 399427.

It is an arithmetic number, because the mean of its divisors is an integer number (7245604).

Almost surely, 2^51118528 is an apocalyptic number.

It is an amenable number.

51118528 is a deficient number, since it is larger than the sum of its proper divisors (50319928).

51118528 is an equidigital number, since it uses as much as digits as its factorization.

51118528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798739 (or 798729 counting only the distinct ones).

The product of its digits is 3200, while the sum is 31.

The square root of 51118528 is about 7149.7222323668. The cubic root of 51118528 is about 371.1300440405.

The spelling of 51118528 in words is "fifty-one million, one hundred eighteen thousand, five hundred twenty-eight".