51108449 has 8 divisors (see below), whose sum is σ = 58666560. Its totient is φ = 43614576.

The previous prime is 51108413. The next prime is 51108451. The reversal of 51108449 is 94480115.

51108449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51108449 - 2⁸ = 51108193 is a prime.

It is a super-2 number, since 2×51108449² = 5224147118371202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51108049) 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, 14339 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (7333320).

Almost surely, 2^51108449 is an apocalyptic number.

It is an amenable number.

51108449 is a deficient number, since it is larger than the sum of its proper divisors (7558111).

51108449 is a wasteful number, since it uses less digits than its factorization.

51108449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32119.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 51108449 is about 7149.0173450622. The cubic root of 51108449 is about 371.1056506309.

The spelling of 51108449 in words is "fifty-one million, one hundred eight thousand, four hundred forty-nine".