51723044 has 24 divisors (see below), whose sum is σ = 100009728. Its totient is φ = 23281280.

The previous prime is 51723031. The next prime is 51723079. The reversal of 51723044 is 44032715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14972 + ... + 18099.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2^51723044 is an apocalyptic number.

It is an amenable number.

51723044 is a deficient number, since it is larger than the sum of its proper divisors (48286684).

51723044 is a wasteful number, since it uses less digits than its factorization.

51723044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33115 (or 33113 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 51723044 is about 7191.8734694098. The cubic root of 51723044 is about 372.5872810204.

Adding to 51723044 its reverse (44032715), we get a palindrome (95755759).

The spelling of 51723044 in words is "fifty-one million, seven hundred twenty-three thousand, forty-four".