55730394 has 24 divisors (see below), whose sum is σ = 121704960. Its totient is φ = 18429768.

The previous prime is 55730383. The next prime is 55730407. The reversal of 55730394 is 49303755.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9904 + ... + 14475.

It is an arithmetic number, because the mean of its divisors is an integer number (5071040).

Almost surely, 2^55730394 is an apocalyptic number.

55730394 is an abundant number, since it is smaller than the sum of its proper divisors (65974566).

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

55730394 is a wasteful number, since it uses less digits than its factorization.

55730394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24514 (or 24511 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 55730394 is about 7465.2792312143. The cubic root of 55730394 is about 381.9712751260.

The spelling of 55730394 in words is "fifty-five million, seven hundred thirty thousand, three hundred ninety-four".