51456127 has 4 divisors (see below), whose sum is σ = 54482976. Its totient is φ = 48429280.

The previous prime is 51456113. The next prime is 51456137. The reversal of 51456127 is 72165415.

51456127 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51456127 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51456137) 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, 1513399 + ... + 1513432.

It is an arithmetic number, because the mean of its divisors is an integer number (13620744).

Almost surely, 2^51456127 is an apocalyptic number.

51456127 is a deficient number, since it is larger than the sum of its proper divisors (3026849).

51456127 is a wasteful number, since it uses less digits than its factorization.

51456127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026848.

The product of its digits is 8400, while the sum is 31.

The square root of 51456127 is about 7173.2926191534. The cubic root of 51456127 is about 371.9452625940.

The spelling of 51456127 in words is "fifty-one million, four hundred fifty-six thousand, one hundred twenty-seven".