51064406 has 8 divisors (see below), whose sum is σ = 76629000. Its totient is φ = 25521408.

The previous prime is 51064397. The next prime is 51064411. The reversal of 51064406 is 60446015.

It is a happy number.

51064406 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 Curzon number.

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, 3350 + ... + 10646.

It is an arithmetic number, because the mean of its divisors is an integer number (9578625).

Almost surely, 2^51064406 is an apocalyptic number.

51064406 is a deficient number, since it is larger than the sum of its proper divisors (25564594).

51064406 is a wasteful number, since it uses less digits than its factorization.

51064406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51064406 is about 7145.9363277320. The cubic root of 51064406 is about 370.9990191850. Note that the first 3 decimals are identical.

The spelling of 51064406 in words is "fifty-one million, sixty-four thousand, four hundred six".