51667244 has 48 divisors (see below), whose sum is σ = 96972960. Its totient is φ = 24053760.

The previous prime is 51667211. The next prime is 51667247. The reversal of 51667244 is 44276615.

It is not an unprimeable number, because it can be changed into a prime (51667247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532604 + ... + 532700.

It is an arithmetic number, because the mean of its divisors is an integer number (2020270).

Almost surely, 2^51667244 is an apocalyptic number.

It is an amenable number.

51667244 is a deficient number, since it is larger than the sum of its proper divisors (45305716).

51667244 is a wasteful number, since it uses less digits than its factorization.

51667244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 51667244 is about 7187.9930439588. The cubic root of 51667244 is about 372.4532475894.

The spelling of 51667244 in words is "fifty-one million, six hundred sixty-seven thousand, two hundred forty-four".