54552040 has 64 divisors (see below), whose sum is σ = 130248000. Its totient is φ = 20505600.

The previous prime is 54552013. The next prime is 54552041. The reversal of 54552040 is 4025545.

It is a junction number, because it is equal to n+sod(n) for n = 54551996 and 54552014.

It is not an unprimeable number, because it can be changed into a prime (54552041) 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 15 ways as a sum of consecutive naturals, for example, 135840 + ... + 136240.

It is an arithmetic number, because the mean of its divisors is an integer number (2035125).

Almost surely, 2^54552040 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 54552040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65124000).

54552040 is an abundant number, since it is smaller than the sum of its proper divisors (75695960).

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

54552040 is a wasteful number, since it uses less digits than its factorization.

54552040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54552040 is about 7385.9352826842. The cubic root of 54552040 is about 379.2599632486.

Adding to 54552040 its reverse (4025545), we get a palindrome (58577585).

The spelling of 54552040 in words is "fifty-four million, five hundred fifty-two thousand, forty".