51426371 has 4 divisors (see below), whose sum is σ = 51447600. Its totient is φ = 51405144.

The previous prime is 51426359. The next prime is 51426379. The reversal of 51426371 is 17362415.

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 51426371 - 2¹⁰ = 51425347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51426379) 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, 6431 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (12861900).

Almost surely, 2^51426371 is an apocalyptic number.

51426371 is a deficient number, since it is larger than the sum of its proper divisors (21229).

51426371 is a wasteful number, since it uses less digits than its factorization.

51426371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228.

The product of its digits is 5040, while the sum is 29.

The square root of 51426371 is about 7171.2182368130. The cubic root of 51426371 is about 371.8735527190.

Adding to 51426371 its reverse (17362415), we get a palindrome (68788786).

The spelling of 51426371 in words is "fifty-one million, four hundred twenty-six thousand, three hundred seventy-one".