54020240455 has 4 divisors (see below), whose sum is σ = 64824288552. Its totient is φ = 43216192360.

The previous prime is 54020240453. The next prime is 54020240459. The reversal of 54020240455 is 55404202045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54020240455 - 2¹ = 54020240453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020240453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5402024041 + ... + 5402024050.

It is an arithmetic number, because the mean of its divisors is an integer number (16206072138).

Almost surely, 2^54020240455 is an apocalyptic number.

54020240455 is a deficient number, since it is larger than the sum of its proper divisors (10804048097).

54020240455 is a wasteful number, since it uses less digits than its factorization.

54020240455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804048096.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 54020240455 in words is "fifty-four billion, twenty million, two hundred forty thousand, four hundred fifty-five".