51463172 has 12 divisors (see below), whose sum is σ = 94800720. Its totient is φ = 24377256.

The previous prime is 51463157. The next prime is 51463177. The reversal of 51463172 is 27136415.

It is not an unprimeable number, because it can be changed into a prime (51463177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338498 + ... + 338649.

It is an arithmetic number, because the mean of its divisors is an integer number (7900060).

Almost surely, 2^51463172 is an apocalyptic number.

It is an amenable number.

51463172 is a deficient number, since it is larger than the sum of its proper divisors (43337548).

51463172 is a wasteful number, since it uses less digits than its factorization.

51463172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677170 (or 677168 counting only the distinct ones).

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

The square root of 51463172 is about 7173.7836599663. The cubic root of 51463172 is about 371.9622365026.

Adding to 51463172 its reverse (27136415), we get a palindrome (78599587).

The spelling of 51463172 in words is "fifty-one million, four hundred sixty-three thousand, one hundred seventy-two".