55252782 has 48 divisors (see below), whose sum is σ = 129467520. Its totient is φ = 16929216.

The previous prime is 55252753. The next prime is 55252793. The reversal of 55252782 is 28725255.

55252782 is a `hidden beast` number, since 5 + 52 + 527 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90723 + ... + 91329.

It is an arithmetic number, because the mean of its divisors is an integer number (2697240).

Almost surely, 2^55252782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55252782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64733760).

55252782 is an abundant number, since it is smaller than the sum of its proper divisors (74214738).

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

55252782 is a wasteful number, since it uses less digits than its factorization.

55252782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1014 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 55252782 is about 7433.2215088749. The cubic root of 55252782 is about 380.8769726987.

The spelling of 55252782 in words is "fifty-five million, two hundred fifty-two thousand, seven hundred eighty-two".