55669248 has 80 divisors (see below), whose sum is σ = 164825760. Its totient is φ = 18551808.

The previous prime is 55669199. The next prime is 55669249. The reversal of 55669248 is 84296655.

55669248 is a `hidden beast` number, since 556 + 6 + 92 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (55669249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11811 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (2060322).

Almost surely, 2^55669248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55669248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82412880).

55669248 is an abundant number, since it is smaller than the sum of its proper divisors (109156512).

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

55669248 is an equidigital number, since it uses as much as digits as its factorization.

55669248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4032 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 55669248 is about 7461.1827480635. The cubic root of 55669248 is about 381.8315275484.

The spelling of 55669248 in words is "fifty-five million, six hundred sixty-nine thousand, two hundred forty-eight".