51514172 has 12 divisors (see below), whose sum is σ = 92246616. Its totient is φ = 25158000.

The previous prime is 51514171. The next prime is 51514189. The reversal of 51514172 is 27141515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51514171) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 149579 + ... + 149922.

It is an arithmetic number, because the mean of its divisors is an integer number (7687218).

Almost surely, 2^51514172 is an apocalyptic number.

It is an amenable number.

51514172 is a deficient number, since it is larger than the sum of its proper divisors (40732444).

51514172 is a wasteful number, since it uses less digits than its factorization.

51514172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299548 (or 299546 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 51514172 is about 7177.3373893109. The cubic root of 51514172 is about 372.0850674536.

Adding to 51514172 its reverse (27141515), we get a palindrome (78655687).

The spelling of 51514172 in words is "fifty-one million, five hundred fourteen thousand, one hundred seventy-two".