54018520 has 128 divisors (see below), whose sum is σ = 140356800. Its totient is φ = 18579456.

The previous prime is 54018451. The next prime is 54018521. The reversal of 54018520 is 2581045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54018521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477984 + ... + 478096.

Almost surely, 2^54018520 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 54018520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70178400).

54018520 is an abundant number, since it is smaller than the sum of its proper divisors (86338280).

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

54018520 is a wasteful number, since it uses less digits than its factorization.

54018520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 54018520 is about 7349.7292467138. The cubic root of 54018520 is about 378.0195206552.

Adding to 54018520 its reverse (2581045), we get a palindrome (56599565).

The spelling of 54018520 in words is "fifty-four million, eighteen thousand, five hundred twenty".