55567812 has 12 divisors (see below), whose sum is σ = 129658256. Its totient is φ = 18522600.

The previous prime is 55567801. The next prime is 55567817. The reversal of 55567812 is 21876555.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55567817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315314 + ... + 2315337.

Almost surely, 2^55567812 is an apocalyptic number.

It is an amenable number.

55567812 is an abundant number, since it is smaller than the sum of its proper divisors (74090444).

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

55567812 is a wasteful number, since it uses less digits than its factorization.

55567812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630658 (or 4630656 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 55567812 is about 7454.3820669456. The cubic root of 55567812 is about 381.5994723742.

The spelling of 55567812 in words is "fifty-five million, five hundred sixty-seven thousand, eight hundred twelve".