55881244 has 24 divisors (see below), whose sum is σ = 104802768. Its totient is φ = 25977600.

The previous prime is 55881233. The next prime is 55881247. The reversal of 55881244 is 44218855.

55881244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55881244³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55881247) 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, 694 + ... + 10594.

It is an arithmetic number, because the mean of its divisors is an integer number (4366782).

Almost surely, 2^55881244 is an apocalyptic number.

It is an amenable number.

55881244 is a deficient number, since it is larger than the sum of its proper divisors (48921524).

55881244 is a wasteful number, since it uses less digits than its factorization.

55881244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005 (or 10003 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 55881244 is about 7475.3758433941. The cubic root of 55881244 is about 382.3156022347.

The spelling of 55881244 in words is "fifty-five million, eight hundred eighty-one thousand, two hundred forty-four".