51256093 has 4 divisors (see below), whose sum is σ = 58578400. Its totient is φ = 43933788.

The previous prime is 51256087. The next prime is 51256099. The reversal of 51256093 is 39065215.

51256093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51256087) and next prime (51256099).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51256093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51256099) 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 3 ways as a sum of consecutive naturals, for example, 3661143 + ... + 3661156.

It is an arithmetic number, because the mean of its divisors is an integer number (14644600).

Almost surely, 2^51256093 is an apocalyptic number.

It is an amenable number.

51256093 is a deficient number, since it is larger than the sum of its proper divisors (7322307).

51256093 is an equidigital number, since it uses as much as digits as its factorization.

51256093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322306.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 51256093 is about 7159.3360725699. The cubic root of 51256093 is about 371.4626616992.

The spelling of 51256093 in words is "fifty-one million, two hundred fifty-six thousand, ninety-three".