51323023554532 has 48 divisors (see below), whose sum is σ = 94675710991680. Its totient is φ = 24276652214400.

The previous prime is 51323023554521. The next prime is 51323023554581. The reversal of 51323023554532 is 23545532032315.

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, 160233982 + ... + 160553962.

It is an arithmetic number, because the mean of its divisors is an integer number (1972410645660).

Almost surely, 2^{51323023554532} is an apocalyptic number.

It is an amenable number.

51323023554532 is a deficient number, since it is larger than the sum of its proper divisors (43352687437148).

51323023554532 is a wasteful number, since it uses less digits than its factorization.

51323023554532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322972 (or 322970 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 43.

Adding to 51323023554532 its reverse (23545532032315), we get a palindrome (74868555586847).

The spelling of 51323023554532 in words is "fifty-one trillion, three hundred twenty-three billion, twenty-three million, five hundred fifty-four thousand, five hundred thirty-two".