51417532 has 6 divisors (see below), whose sum is σ = 89980688. Its totient is φ = 25708764.

The previous prime is 51417529. The next prime is 51417547. The reversal of 51417532 is 23571415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51417532.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6427188 + ... + 6427195.

Almost surely, 2^51417532 is an apocalyptic number.

It is an amenable number.

51417532 is a deficient number, since it is larger than the sum of its proper divisors (38563156).

51417532 is a wasteful number, since it uses less digits than its factorization.

51417532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854387 (or 12854385 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 51417532 is about 7170.6019273141. The cubic root of 51417532 is about 371.8522460197.

Adding to 51417532 its reverse (23571415), we get a palindrome (74988947).

The spelling of 51417532 in words is "fifty-one million, four hundred seventeen thousand, five hundred thirty-two".