51535423 has 8 divisors (see below), whose sum is σ = 54071936. Its totient is φ = 49053600.

The previous prime is 51535411. The next prime is 51535441. The reversal of 51535423 is 32453515.

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 51535423 - 2⁹ = 51534911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51535391 and 51535400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51535493) 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, 11736 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (6758992).

Almost surely, 2^51535423 is an apocalyptic number.

51535423 is a deficient number, since it is larger than the sum of its proper divisors (2536513).

51535423 is a wasteful number, since it uses less digits than its factorization.

51535423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27345.

The product of its digits is 9000, while the sum is 28.

The square root of 51535423 is about 7178.8176603115. The cubic root of 51535423 is about 372.1362254968.

Adding to 51535423 its reverse (32453515), we get a palindrome (83988938).

The spelling of 51535423 in words is "fifty-one million, five hundred thirty-five thousand, four hundred twenty-three".