51576406 has 8 divisors (see below), whose sum is σ = 88416720. Its totient is φ = 22104168.

The previous prime is 51576391. The next prime is 51576407. The reversal of 51576406 is 60467515.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51576407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842001 + ... + 1842028.

It is an arithmetic number, because the mean of its divisors is an integer number (11052090).

Almost surely, 2^51576406 is an apocalyptic number.

51576406 is a deficient number, since it is larger than the sum of its proper divisors (36840314).

51576406 is a wasteful number, since it uses less digits than its factorization.

51576406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684038.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 51576406 is about 7181.6715324498. The cubic root of 51576406 is about 372.2348451583.

The spelling of 51576406 in words is "fifty-one million, five hundred seventy-six thousand, four hundred six".