55248500 has 48 divisors (see below), whose sum is σ = 123282432. Its totient is φ = 21620000.

The previous prime is 55248497. The next prime is 55248539. The reversal of 55248500 is 584255.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22325 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 2^55248500 is an apocalyptic number.

55248500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55248500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61641216).

55248500 is an abundant number, since it is smaller than the sum of its proper divisors (68033932).

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

55248500 is a wasteful number, since it uses less digits than its factorization.

55248500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 55248500 is about 7432.9334720553. The cubic root of 55248500 is about 380.8671333309.

The spelling of 55248500 in words is "fifty-five million, two hundred forty-eight thousand, five hundred".