51044027 has 4 divisors (see below), whose sum is σ = 51909240. Its totient is φ = 50178816.

The previous prime is 51044023. The next prime is 51044039. The reversal of 51044027 is 72044015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51044027 - 2² = 51044023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51043993 and 51044011.

It is not an unprimeable number, because it can be changed into a prime (51044023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432518 + ... + 432635.

It is an arithmetic number, because the mean of its divisors is an integer number (12977310).

Almost surely, 2^51044027 is an apocalyptic number.

51044027 is a deficient number, since it is larger than the sum of its proper divisors (865213).

51044027 is an equidigital number, since it uses as much as digits as its factorization.

51044027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865212.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 51044027 is about 7144.5102701305. The cubic root of 51044027 is about 370.9496593301.

The spelling of 51044027 in words is "fifty-one million, forty-four thousand, twenty-seven".