55013856 has 48 divisors (see below), whose sum is σ = 147780864. Its totient is φ = 17910144.

The previous prime is 55013851. The next prime is 55013869. The reversal of 55013856 is 65831055.

55013856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55013851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2536 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (3078768).

Almost surely, 2^55013856 is an apocalyptic number.

It is an amenable number.

55013856 is an abundant number, since it is smaller than the sum of its proper divisors (92767008).

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

55013856 is a wasteful number, since it uses less digits than its factorization.

55013856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383 (or 13375 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 55013856 is about 7417.1325995967. The cubic root of 55013856 is about 380.3271789761.

The spelling of 55013856 in words is "fifty-five million, thirteen thousand, eight hundred fifty-six".