51422613 has 16 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 31082480.

The previous prime is 51422611. The next prime is 51422617. The reversal of 51422613 is 31622415.

It is not a de Polignac number, because 51422613 - 2¹ = 51422611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11968 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2^51422613 is an apocalyptic number.

It is an amenable number.

51422613 is a deficient number, since it is larger than the sum of its proper divisors (23572587).

51422613 is a wasteful number, since it uses less digits than its factorization.

51422613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152.

The product of its digits is 1440, while the sum is 24.

The square root of 51422613 is about 7170.9562123890. The cubic root of 51422613 is about 371.8644942351.

The spelling of 51422613 in words is "fifty-one million, four hundred twenty-two thousand, six hundred thirteen".