55847760 has 40 divisors (see below), whose sum is σ = 173128800. Its totient is φ = 14892672.

The previous prime is 55847747. The next prime is 55847809. The reversal of 55847760 is 6774855.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 116110 + ... + 116589.

It is an arithmetic number, because the mean of its divisors is an integer number (4328220).

Almost surely, 2^55847760 is an apocalyptic number.

It is an amenable number.

55847760 is an abundant number, since it is smaller than the sum of its proper divisors (117281040).

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

55847760 is a wasteful number, since it uses less digits than its factorization.

55847760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232715 (or 232709 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 55847760 is about 7473.1358879656. The cubic root of 55847760 is about 382.2392259026.

The spelling of 55847760 in words is "fifty-five million, eight hundred forty-seven thousand, seven hundred sixty".