75533209650 has 72 divisors (see below), whose sum is σ = 209478806784. Its totient is φ = 19492437600.

The previous prime is 75533209627. The next prime is 75533209757. The reversal of 75533209650 is 5690233557.

It is a happy number.

75533209650 is a `hidden beast` number, since 7 + 5 + 533 + 20 + 96 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 75533209596 and 75533209605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2693334 + ... + 2721233.

It is an arithmetic number, because the mean of its divisors is an integer number (2909427872).

Almost surely, 2^75533209650 is an apocalyptic number.

75533209650 is an abundant number, since it is smaller than the sum of its proper divisors (133945597134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75533209650 is a wasteful number, since it uses less digits than its factorization.

75533209650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414616 (or 5414608 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

The spelling of 75533209650 in words is "seventy-five billion, five hundred thirty-three million, two hundred nine thousand, six hundred fifty".