51463432 has 16 divisors (see below), whose sum is σ = 98738640. Its totient is φ = 25133136.

The previous prime is 51463417. The next prime is 51463453. The reversal of 51463432 is 23436415.

It is a self number, because there is not a number n which added to its sum of digits gives 51463432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74458 + ... + 75145.

It is an arithmetic number, because the mean of its divisors is an integer number (6171165).

Almost surely, 2^51463432 is an apocalyptic number.

It is an amenable number.

51463432 is a deficient number, since it is larger than the sum of its proper divisors (47275208).

51463432 is a wasteful number, since it uses less digits than its factorization.

51463432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149652 (or 149648 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 51463432 is about 7173.8017814824. The cubic root of 51463432 is about 371.9628629054.

Adding to 51463432 its reverse (23436415), we get a palindrome (74899847).

The spelling of 51463432 in words is "fifty-one million, four hundred sixty-three thousand, four hundred thirty-two".