64533153440050 has 48 divisors (see below), whose sum is σ = 121599542131200. Its totient is φ = 25477533826560.

The previous prime is 64533153440047. The next prime is 64533153440059. The reversal of 64533153440050 is 5004435133546.

It is a junction number, because it is equal to n+sod(n) for n = 64533153439979 and 64533153440006.

It is not an unprimeable number, because it can be changed into a prime (64533153440059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16347850 + ... + 19907749.

It is an arithmetic number, because the mean of its divisors is an integer number (2533323794400).

Almost surely, 2^{64533153440050} is an apocalyptic number.

64533153440050 is a deficient number, since it is larger than the sum of its proper divisors (57066388691150).

64533153440050 is a wasteful number, since it uses less digits than its factorization.

64533153440050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36256075 (or 36256070 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 64533153440050 its reverse (5004435133546), we get a palindrome (69537588573596).

The spelling of 64533153440050 in words is "sixty-four trillion, five hundred thirty-three billion, one hundred fifty-three million, four hundred forty thousand, fifty".