54228636 has 96 divisors (see below), whose sum is σ = 175311360. Its totient is φ = 14083200.

The previous prime is 54228613. The next prime is 54228649. The reversal of 54228636 is 63682245.

54228636 is a `hidden beast` number, since 542 + 2 + 86 + 36 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 54228636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5056 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (1826160).

Almost surely, 2^54228636 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 54228636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87655680).

54228636 is an abundant number, since it is smaller than the sum of its proper divisors (121082724).

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

54228636 is a wasteful number, since it uses less digits than its factorization.

54228636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6544 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 54228636 is about 7364.0095056973. The cubic root of 54228636 is about 378.5090144304.

The spelling of 54228636 in words is "fifty-four million, two hundred twenty-eight thousand, six hundred thirty-six".