54405452745 has 24 divisors (see below), whose sum is σ = 107774611776. Its totient is φ = 24871063968.

The previous prime is 54405452729. The next prime is 54405452747. The reversal of 54405452745 is 54725450445.

54405452745 is a `hidden beast` number, since 5 + 4 + 40 + 545 + 27 + 45 = 666.

54405452745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54405452745 - 2⁴ = 54405452729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54405452745.

It is not an unprimeable number, because it can be changed into a prime (54405452747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86357547 + ... + 86358176.

It is an arithmetic number, because the mean of its divisors is an integer number (4490608824).

Almost surely, 2^54405452745 is an apocalyptic number.

It is an amenable number.

54405452745 is a deficient number, since it is larger than the sum of its proper divisors (53369159031).

54405452745 is a wasteful number, since it uses less digits than its factorization.

54405452745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172715741 (or 172715738 counting only the distinct ones).

The product of its (nonzero) digits is 2240000, while the sum is 45.

The spelling of 54405452745 in words is "fifty-four billion, four hundred five million, four hundred fifty-two thousand, seven hundred forty-five".