51350444 has 24 divisors (see below), whose sum is σ = 94698240. Its totient is φ = 24315984.

The previous prime is 51350441. The next prime is 51350447. The reversal of 51350444 is 44405315.

It is an interprime number because it is at equal distance from previous prime (51350441) and next prime (51350447).

It is not an unprimeable number, because it can be changed into a prime (51350441) 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, 6767 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (3945760).

Almost surely, 2^51350444 is an apocalyptic number.

It is an amenable number.

51350444 is a deficient number, since it is larger than the sum of its proper divisors (43347796).

51350444 is a wasteful number, since it uses less digits than its factorization.

51350444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549 (or 5547 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 51350444 is about 7165.9224109671. The cubic root of 51350444 is about 371.6904485398.

Adding to 51350444 its reverse (44405315), we get a palindrome (95755759).

The spelling of 51350444 in words is "fifty-one million, three hundred fifty thousand, four hundred forty-four".