54105215545023 has 8 divisors (see below), whose sum is σ = 73501424891568. Its totient is φ = 35389574947584.

The previous prime is 54105215545021. The next prime is 54105215545027. The reversal of 54105215545023 is 32054551250145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54105215545023 - 2¹ = 54105215545021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105215545021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170142187090 + ... + 170142187407.

It is an arithmetic number, because the mean of its divisors is an integer number (9187678111446).

Almost surely, 2^{54105215545023} is an apocalyptic number.

54105215545023 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54105215545023 is a deficient number, since it is larger than the sum of its proper divisors (19396209346545).

54105215545023 is a wasteful number, since it uses less digits than its factorization.

54105215545023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340284374553.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 54105215545023 its reverse (32054551250145), we get a palindrome (86159766795168).

The spelling of 54105215545023 in words is "fifty-four trillion, one hundred five billion, two hundred fifteen million, five hundred forty-five thousand, twenty-three".