54518544 has 30 divisors (see below), whose sum is σ = 152576606. Its totient is φ = 18172800.

The previous prime is 54518531. The next prime is 54518549. The reversal of 54518544 is 44581545.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35856144 + 18662400 = 5988^2 + 4320^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 54518499 and 54518508.

It is not an unprimeable number, because it can be changed into a prime (54518549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189157 + ... + 189444.

Almost surely, 2^54518544 is an apocalyptic number.

It is an amenable number.

54518544 is an abundant number, since it is smaller than the sum of its proper divisors (98058062).

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

54518544 is a wasteful number, since it uses less digits than its factorization.

54518544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378615 (or 378606 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 54518544 is about 7383.6673814575. The cubic root of 54518544 is about 379.1823230557.

Adding to 54518544 its product of digits (64000), we get a square (54582544 = 7388²).

The spelling of 54518544 in words is "fifty-four million, five hundred eighteen thousand, five hundred forty-four".