55567284 has 12 divisors (see below), whose sum is σ = 129657024. Its totient is φ = 18522424.

The previous prime is 55567273. The next prime is 55567289. The reversal of 55567284 is 48276555.

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

It is a super-2 number, since 2×55567284² = 6175446102273312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55567289) 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, 2315292 + ... + 2315315.

It is an arithmetic number, because the mean of its divisors is an integer number (10804752).

Almost surely, 2^55567284 is an apocalyptic number.

It is an amenable number.

55567284 is an abundant number, since it is smaller than the sum of its proper divisors (74089740).

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

55567284 is a wasteful number, since it uses less digits than its factorization.

55567284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630614 (or 4630612 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 55567284 is about 7454.3466514511. The cubic root of 55567284 is about 381.5982637299.

The spelling of 55567284 in words is "fifty-five million, five hundred sixty-seven thousand, two hundred eighty-four".