54144636 has 96 divisors (see below), whose sum is σ = 156925440. Its totient is φ = 14148864.

The previous prime is 54144617. The next prime is 54144659. The reversal of 54144636 is 63644145.

It is a junction number, because it is equal to n+sod(n) for n = 54144597 and 54144606.

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, 195330 + ... + 195606.

It is an arithmetic number, because the mean of its divisors is an integer number (1634640).

Almost surely, 2^54144636 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 54144636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78462720).

54144636 is an abundant number, since it is smaller than the sum of its proper divisors (102780804).

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

54144636 is a wasteful number, since it uses less digits than its factorization.

54144636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 54144636 is about 7358.3038806508. The cubic root of 54144636 is about 378.3134769778.

The spelling of 54144636 in words is "fifty-four million, one hundred forty-four thousand, six hundred thirty-six".