55730750 has 32 divisors (see below), whose sum is σ = 107939520. Its totient is φ = 21520800.

The previous prime is 55730747. The next prime is 55730791. The reversal of 55730750 is 5703755.

55730750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3407 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (3373110).

Almost surely, 2^55730750 is an apocalyptic number.

55730750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55730750 is a deficient number, since it is larger than the sum of its proper divisors (52208770).

55730750 is a wasteful number, since it uses less digits than its factorization.

55730750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733 (or 7723 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55730750 is about 7465.3030748925. The cubic root of 55730750 is about 381.9720884552.

The spelling of 55730750 in words is "fifty-five million, seven hundred thirty thousand, seven hundred fifty".