51098468 has 6 divisors (see below), whose sum is σ = 89422326. Its totient is φ = 25549232.

The previous prime is 51098461. The next prime is 51098471. The reversal of 51098468 is 86489015.

51098468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35904064 + 15194404 = 5992^2 + 3898^2 .

It is a super-2 number, since 2×51098468² = 5222106863894048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51098461) 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 as a sum of consecutive naturals, namely, 6387305 + ... + 6387312.

It is an arithmetic number, because the mean of its divisors is an integer number (14903721).

Almost surely, 2^51098468 is an apocalyptic number.

It is an amenable number.

51098468 is a deficient number, since it is larger than the sum of its proper divisors (38323858).

51098468 is a wasteful number, since it uses less digits than its factorization.

51098468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774621 (or 12774619 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 51098468 is about 7148.3192430109. The cubic root of 51098468 is about 371.0814912422.

The spelling of 51098468 in words is "fifty-one million, ninety-eight thousand, four hundred sixty-eight".