51444204 has 48 divisors (see below), whose sum is σ = 137776128. Its totient is φ = 14635008.

The previous prime is 51444199. The next prime is 51444223. The reversal of 51444204 is 40244415.

It is a happy number.

It is a super-2 number, since 2×51444204² = 5293012250387232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20397 + ... + 22779.

It is an arithmetic number, because the mean of its divisors is an integer number (2870336).

Almost surely, 2^51444204 is an apocalyptic number.

It is an amenable number.

51444204 is an abundant number, since it is smaller than the sum of its proper divisors (86331924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51444204 is a wasteful number, since it uses less digits than its factorization.

51444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 51444204 is about 7172.4615021623. The cubic root of 51444204 is about 371.9165323197.

Adding to 51444204 its reverse (40244415), we get a palindrome (91688619).

The spelling of 51444204 in words is "fifty-one million, four hundred forty-four thousand, two hundred four".