54540432 has 80 divisors (see below), whose sum is σ = 157608960. Its totient is φ = 18057600.

The previous prime is 54540427. The next prime is 54540491. The reversal of 54540432 is 23404545.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54540396 and 54540405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82182 + ... + 82842.

It is an arithmetic number, because the mean of its divisors is an integer number (1970112).

Almost surely, 2^54540432 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 54540432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78804480).

54540432 is an abundant number, since it is smaller than the sum of its proper divisors (103068528).

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

54540432 is a wasteful number, since it uses less digits than its factorization.

54540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 54540432 is about 7385.1494229975. The cubic root of 54540432 is about 379.2330607291.

Adding to 54540432 its reverse (23404545), we get a palindrome (77944977).

The spelling of 54540432 in words is "fifty-four million, five hundred forty thousand, four hundred thirty-two".