54166445203 has 16 divisors (see below), whose sum is σ = 61411705600. Its totient is φ = 47361710880.

The previous prime is 54166445191. The next prime is 54166445213. The reversal of 54166445203 is 30254466145.

It is a cyclic number.

It is not a de Polignac number, because 54166445203 - 2⁹ = 54166444691 is a prime.

It is a super-2 number, since 2×54166445203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54166445213) 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 15 ways as a sum of consecutive naturals, for example, 3007138 + ... + 3025096.

It is an arithmetic number, because the mean of its divisors is an integer number (3838231600).

Almost surely, 2^54166445203 is an apocalyptic number.

54166445203 is a deficient number, since it is larger than the sum of its proper divisors (7245260397).

54166445203 is a wasteful number, since it uses less digits than its factorization.

54166445203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30202.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 54166445203 in words is "fifty-four billion, one hundred sixty-six million, four hundred forty-five thousand, two hundred three".