55123248 has 80 divisors (see below), whose sum is σ = 154382976. Its totient is φ = 16880640.

The previous prime is 55123247. The next prime is 55123261. The reversal of 55123248 is 84232155.

It is not an unprimeable number, because it can be changed into a prime (55123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34303 + ... + 35873.

Almost surely, 2^55123248 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 55123248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77191488).

55123248 is an abundant number, since it is smaller than the sum of its proper divisors (99259728).

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

55123248 is a wasteful number, since it uses less digits than its factorization.

55123248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1636 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 55123248 is about 7424.5032157041. The cubic root of 55123248 is about 380.5790985709.

The spelling of 55123248 in words is "fifty-five million, one hundred twenty-three thousand, two hundred forty-eight".