51098444 has 6 divisors (see below), whose sum is σ = 89422284. Its totient is φ = 25549220.

The previous prime is 51098431. The next prime is 51098459. The reversal of 51098444 is 44489015.

It is a happy number.

51098444 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 2×51098444² = 5222101958442272, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6387302 + ... + 6387309.

It is an arithmetic number, because the mean of its divisors is an integer number (14903714).

Almost surely, 2^51098444 is an apocalyptic number.

It is an amenable number.

51098444 is a deficient number, since it is larger than the sum of its proper divisors (38323840).

51098444 is a wasteful number, since it uses less digits than its factorization.

51098444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774615 (or 12774613 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51098444 is about 7148.3175642944. The cubic root of 51098444 is about 371.0814331455.

The spelling of 51098444 in words is "fifty-one million, ninety-eight thousand, four hundred forty-four".