51446446 has 16 divisors (see below), whose sum is σ = 80809344. Its totient is φ = 24517944.

The previous prime is 51446429. The next prime is 51446449. The reversal of 51446446 is 64464415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12301 + ... + 15943.

It is an arithmetic number, because the mean of its divisors is an integer number (5050584).

Almost surely, 2^51446446 is an apocalyptic number.

51446446 is a deficient number, since it is larger than the sum of its proper divisors (29362898).

51446446 is a wasteful number, since it uses less digits than its factorization.

51446446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its digits is 46080, while the sum is 34.

The square root of 51446446 is about 7172.6177926891. The cubic root of 51446446 is about 371.9219350971.

The spelling of 51446446 in words is "fifty-one million, four hundred forty-six thousand, four hundred forty-six".