75328550 has 36 divisors (see below), whose sum is σ = 154018788. Its totient is φ = 27390000.

The previous prime is 75328549. The next prime is 75328567. The reversal of 75328550 is 5582357.

It is a self number, because there is not a number n which added to its sum of digits gives 75328550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 176 + ... + 12275.

Almost surely, 2^75328550 is an apocalyptic number.

75328550 is an abundant number, since it is smaller than the sum of its proper divisors (78690238).

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

75328550 is a wasteful number, since it uses less digits than its factorization.

75328550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12469 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 75328550 is about 8679.2021522718. The cubic root of 75328550 is about 422.3312351891.

The spelling of 75328550 in words is "seventy-five million, three hundred twenty-eight thousand, five hundred fifty".