55353828 has 12 divisors (see below), whose sum is σ = 129158960. Its totient is φ = 18451272.

The previous prime is 55353811. The next prime is 55353829. The reversal of 55353828 is 82835355.

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 (55353829) 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, 2306398 + ... + 2306421.

Almost surely, 2^55353828 is an apocalyptic number.

It is an amenable number.

55353828 is an abundant number, since it is smaller than the sum of its proper divisors (73805132).

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

55353828 is a wasteful number, since it uses less digits than its factorization.

55353828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612826 (or 4612824 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 55353828 is about 7440.0153225649. The cubic root of 55353828 is about 381.1090132460.

The spelling of 55353828 in words is "fifty-five million, three hundred fifty-three thousand, eight hundred twenty-eight".