55847320 has 16 divisors (see below), whose sum is σ = 125656560. Its totient is φ = 22338912.

The previous prime is 55847299. The next prime is 55847339. The reversal of 55847320 is 2374855.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698052 + ... + 698131.

It is an arithmetic number, because the mean of its divisors is an integer number (7853535).

Almost surely, 2^55847320 is an apocalyptic number.

It is an amenable number.

55847320 is an abundant number, since it is smaller than the sum of its proper divisors (69809240).

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

55847320 is a wasteful number, since it uses less digits than its factorization.

55847320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396194 (or 1396190 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 55847320 is about 7473.1064491281. The cubic root of 55847320 is about 382.2382220683.

The spelling of 55847320 in words is "fifty-five million, eight hundred forty-seven thousand, three hundred twenty".