51407446 has 8 divisors (see below), whose sum is σ = 78904584. Its totient is φ = 25105920.

The previous prime is 51407431. The next prime is 51407449. The reversal of 51407446 is 64470415.

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 (51407449) 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, 298795 + ... + 298966.

It is an arithmetic number, because the mean of its divisors is an integer number (9863073).

Almost surely, 2^51407446 is an apocalyptic number.

51407446 is a deficient number, since it is larger than the sum of its proper divisors (27497138).

51407446 is a wasteful number, since it uses less digits than its factorization.

51407446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597806.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 51407446 is about 7169.8986045829. The cubic root of 51407446 is about 371.8279304029.

The spelling of 51407446 in words is "fifty-one million, four hundred seven thousand, four hundred forty-six".