54040243542 has 16 divisors (see below), whose sum is σ = 108112857600. Its totient is φ = 18008019432.

The previous prime is 54040243531. The next prime is 54040243547. The reversal of 54040243542 is 24534204045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040243547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327042 + ... + 1367157.

It is an arithmetic number, because the mean of its divisors is an integer number (6757053600).

Almost surely, 2^54040243542 is an apocalyptic number.

54040243542 is an abundant number, since it is smaller than the sum of its proper divisors (54072614058).

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

54040243542 is a wasteful number, since it uses less digits than its factorization.

54040243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697547.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 54040243542 its reverse (24534204045), we get a palindrome (78574447587).

The spelling of 54040243542 in words is "fifty-four billion, forty million, two hundred forty-three thousand, five hundred forty-two".