51494113 has 8 divisors (see below), whose sum is σ = 56853216. Its totient is φ = 46248000.

The previous prime is 51494089. The next prime is 51494119. The reversal of 51494113 is 31149415.

51494113 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 51494113 - 2¹⁷ = 51363041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51494119) 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, 27288 + ... + 29113.

It is an arithmetic number, because the mean of its divisors is an integer number (7106652).

Almost surely, 2^51494113 is an apocalyptic number.

It is an amenable number.

51494113 is a deficient number, since it is larger than the sum of its proper divisors (5359103).

51494113 is a wasteful number, since it uses less digits than its factorization.

51494113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56495.

The product of its digits is 2160, while the sum is 28.

The square root of 51494113 is about 7175.9398687559. The cubic root of 51494113 is about 372.0367660313.

The spelling of 51494113 in words is "fifty-one million, four hundred ninety-four thousand, one hundred thirteen".