55267808 has 24 divisors (see below), whose sum is σ = 114536520. Its totient is φ = 26179200.

The previous prime is 55267801. The next prime is 55267819. The reversal of 55267808 is 80876255.

It is a super-2 number, since 2×55267808² = 6109061202249728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55267801) 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, 44843 + ... + 46058.

It is an arithmetic number, because the mean of its divisors is an integer number (4772355).

Almost surely, 2^55267808 is an apocalyptic number.

It is an amenable number.

55267808 is an abundant number, since it is smaller than the sum of its proper divisors (59268712).

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

55267808 is a wasteful number, since it uses less digits than its factorization.

55267808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90930 (or 90922 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 55267808 is about 7434.2321728609. The cubic root of 55267808 is about 380.9114960805.

The spelling of 55267808 in words is "fifty-five million, two hundred sixty-seven thousand, eight hundred eight".