75490550 has 48 divisors (see below), whose sum is σ = 145718352. Its totient is φ = 29078400.

The previous prime is 75490543. The next prime is 75490561. The reversal of 75490550 is 5509457.

It is a self number, because there is not a number n which added to its sum of digits gives 75490550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161417 + ... + 161883.

It is an arithmetic number, because the mean of its divisors is an integer number (3035799).

Almost surely, 2^75490550 is an apocalyptic number.

75490550 is a deficient number, since it is larger than the sum of its proper divisors (70227802).

75490550 is a wasteful number, since it uses less digits than its factorization.

75490550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 75490550 is about 8688.5297950804. The cubic root of 75490550 is about 422.6337706499.

The spelling of 75490550 in words is "seventy-five million, four hundred ninety thousand, five hundred fifty".