51223530244624 has 40 divisors (see below), whose sum is σ = 99352342094720. Its totient is φ = 25584229641600.

The previous prime is 51223530244609. The next prime is 51223530244681. The reversal of 51223530244624 is 42644203532215.

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, 60650359 + ... + 61489129.

It is an arithmetic number, because the mean of its divisors is an integer number (2483808552368).

Almost surely, 2^{51223530244624} is an apocalyptic number.

It is an amenable number.

51223530244624 is a deficient number, since it is larger than the sum of its proper divisors (48128811850096).

51223530244624 is a wasteful number, since it uses less digits than its factorization.

51223530244624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842879 (or 842873 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 51223530244624 its reverse (42644203532215), we get a palindrome (93867733776839).

The spelling of 51223530244624 in words is "fifty-one trillion, two hundred twenty-three billion, five hundred thirty million, two hundred forty-four thousand, six hundred twenty-four".