51094645 has 16 divisors (see below), whose sum is σ = 70698240. Its totient is φ = 34723584.

The previous prime is 51094609. The next prime is 51094657. The reversal of 51094645 is 54649015.

51094645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51094645 - 2⁷ = 51094517 is a prime.

It is a super-2 number, since 2×51094645² = 5221325495352050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51094645.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (4418640).

Almost surely, 2^51094645 is an apocalyptic number.

It is an amenable number.

51094645 is a deficient number, since it is larger than the sum of its proper divisors (19603595).

51094645 is a wasteful number, since it uses less digits than its factorization.

51094645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 51094645 is about 7148.0518324925. The cubic root of 51094645 is about 371.0722366926.

The spelling of 51094645 in words is "fifty-one million, ninety-four thousand, six hundred forty-five".