54388236 has 72 divisors (see below), whose sum is σ = 156337776. Its totient is φ = 14622720.

The previous prime is 54388231. The next prime is 54388247. The reversal of 54388236 is 63288345.

It is a junction number, because it is equal to n+sod(n) for n = 54388194 and 54388203.

It is not an unprimeable number, because it can be changed into a prime (54388231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7276 + ... + 12716.

It is an arithmetic number, because the mean of its divisors is an integer number (2171358).

Almost surely, 2^54388236 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 54388236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78168888).

54388236 is an abundant number, since it is smaller than the sum of its proper divisors (101949540).

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

54388236 is a wasteful number, since it uses less digits than its factorization.

54388236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479 (or 5470 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 54388236 is about 7374.8380321198. The cubic root of 54388236 is about 378.8799800045.

The spelling of 54388236 in words is "fifty-four million, three hundred eighty-eight thousand, two hundred thirty-six".