55247612 has 12 divisors (see below), whose sum is σ = 110495280. Its totient is φ = 23677536.

The previous prime is 55247593. The next prime is 55247617. The reversal of 55247612 is 21674255.

55247612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55247612 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55247617) 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 3 ways as a sum of consecutive naturals, for example, 986537 + ... + 986592.

It is an arithmetic number, because the mean of its divisors is an integer number (9207940).

Almost surely, 2^55247612 is an apocalyptic number.

It is an amenable number.

55247612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55247612 is a wasteful number, since it uses less digits than its factorization.

55247612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973140 (or 1973138 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 55247612 is about 7432.8737376603. The cubic root of 55247612 is about 380.8650927818.

The spelling of 55247612 in words is "fifty-five million, two hundred forty-seven thousand, six hundred twelve".