54342540 has 288 divisors, whose sum is σ = 207567360. Its totient is φ = 11225088.

The previous prime is 54342539. The next prime is 54342581. The reversal of 54342540 is 4524345.

It is a super-2 number, since 2×54342540² = 5906223307303200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 921031 + ... + 921089.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^54342540 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 54342540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

54342540 is an abundant number, since it is smaller than the sum of its proper divisors (153224820).

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

54342540 is a wasteful number, since it uses less digits than its factorization.

54342540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 136 counting only the distinct ones).

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

The square root of 54342540 is about 7371.7392791661. The cubic root of 54342540 is about 378.7738409330.

Adding to 54342540 its reverse (4524345), we get a palindrome (58866885).

The spelling of 54342540 in words is "fifty-four million, three hundred forty-two thousand, five hundred forty".