55443248 has 40 divisors (see below), whose sum is σ = 128110848. Its totient is φ = 22727232.

The previous prime is 55443233. The next prime is 55443251. The reversal of 55443248 is 84234455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 13337.

Almost surely, 2^55443248 is an apocalyptic number.

It is an amenable number.

55443248 is an abundant number, since it is smaller than the sum of its proper divisors (72667600).

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

55443248 is a wasteful number, since it uses less digits than its factorization.

55443248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561 (or 21555 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 55443248 is about 7446.0222938157. The cubic root of 55443248 is about 381.3141206136.

The spelling of 55443248 in words is "fifty-five million, four hundred forty-three thousand, two hundred forty-eight".