51444604 has 12 divisors (see below), whose sum is σ = 90323464. Its totient is φ = 25637904.

The previous prime is 51444599. The next prime is 51444607. The reversal of 51444604 is 40644415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51444607) 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, 19719 + ... + 22174.

Almost surely, 2^51444604 is an apocalyptic number.

It is an amenable number.

51444604 is a deficient number, since it is larger than the sum of its proper divisors (38878860).

51444604 is a wasteful number, since it uses less digits than its factorization.

51444604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42204 (or 42202 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 51444604 is about 7172.4893865380. The cubic root of 51444604 is about 371.9174962522.

The spelling of 51444604 in words is "fifty-one million, four hundred forty-four thousand, six hundred four".