54542488 has 128 divisors (see below), whose sum is σ = 141120000. Its totient is φ = 19474560.

The previous prime is 54542471. The next prime is 54542503. The reversal of 54542488 is 88424545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54542488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392323 + ... + 392461.

It is an arithmetic number, because the mean of its divisors is an integer number (1102500).

Almost surely, 2^54542488 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 54542488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70560000).

54542488 is an abundant number, since it is smaller than the sum of its proper divisors (86577512).

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

54542488 is a wasteful number, since it uses less digits than its factorization.

54542488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 172 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The square root of 54542488 is about 7385.2886199525. The cubic root of 54542488 is about 379.2378259607.

The spelling of 54542488 in words is "fifty-four million, five hundred forty-two thousand, four hundred eighty-eight".