54100045 has 4 divisors (see below), whose sum is σ = 64920060. Its totient is φ = 43280032.

The previous prime is 54100043. The next prime is 54100073. The reversal of 54100045 is 54000145.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 31337604 = 4771^2 + 5598^2 .

It is a cyclic number.

It is not a de Polignac number, because 54100045 - 2¹ = 54100043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54099995 and 54100031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54100043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410000 + ... + 5410009.

It is an arithmetic number, because the mean of its divisors is an integer number (16230015).

Almost surely, 2^54100045 is an apocalyptic number.

It is an amenable number.

54100045 is a deficient number, since it is larger than the sum of its proper divisors (10820015).

54100045 is a wasteful number, since it uses less digits than its factorization.

54100045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820014.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54100045 is about 7355.2732784037. The cubic root of 54100045 is about 378.2095946695.

The spelling of 54100045 in words is "fifty-four million, one hundred thousand, forty-five".