51045093 has 16 divisors (see below), whose sum is σ = 82497600. Its totient is φ = 30936240.

The previous prime is 51045079. The next prime is 51045103. The reversal of 51045093 is 39054015.

51045093 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 51045093 - 2⁸ = 51044837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045023) 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 15 ways as a sum of consecutive naturals, for example, 85638 + ... + 86231.

It is an arithmetic number, because the mean of its divisors is an integer number (5156100).

Almost surely, 2^51045093 is an apocalyptic number.

It is an amenable number.

51045093 is a deficient number, since it is larger than the sum of its proper divisors (31452507).

51045093 is a wasteful number, since it uses less digits than its factorization.

51045093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171889 (or 171883 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 51045093 is about 7144.5848724751. The cubic root of 51045093 is about 370.9522416080.

The spelling of 51045093 in words is "fifty-one million, forty-five thousand, ninety-three".