51010427 has 8 divisors (see below), whose sum is σ = 56212464. Its totient is φ = 45991008.

The previous prime is 51010417. The next prime is 51010451. The reversal of 51010427 is 72401015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51010427 - 2⁴ = 51010411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51010399 and 51010408.

It is not an unprimeable number, because it can be changed into a prime (51010417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45068 + ... + 46185.

It is an arithmetic number, because the mean of its divisors is an integer number (7026558).

Almost surely, 2^51010427 is an apocalyptic number.

51010427 is a deficient number, since it is larger than the sum of its proper divisors (5202037).

51010427 is a wasteful number, since it uses less digits than its factorization.

51010427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91309.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51010427 is about 7142.1584272543. The cubic root of 51010427 is about 370.8682482745.

The spelling of 51010427 in words is "fifty-one million, ten thousand, four hundred twenty-seven".