51493462 has 8 divisors (see below), whose sum is σ = 77384592. Its totient is φ = 25698600.

The previous prime is 51493457. The next prime is 51493483. The reversal of 51493462 is 26439415.

It is a happy number.

51493462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22714 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (9673074).

Almost surely, 2^51493462 is an apocalyptic number.

51493462 is a deficient number, since it is larger than the sum of its proper divisors (25891130).

51493462 is a wasteful number, since it uses less digits than its factorization.

51493462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48134.

The product of its digits is 25920, while the sum is 34.

The square root of 51493462 is about 7175.8945087006. The cubic root of 51493462 is about 372.0351982342.

The spelling of 51493462 in words is "fifty-one million, four hundred ninety-three thousand, four hundred sixty-two".