54549620201959 has 4 divisors (see below), whose sum is σ = 54556142943816. Its totient is φ = 54543097460104.

The previous prime is 54549620201953. The next prime is 54549620202019. The reversal of 54549620201959 is 95910202694545.

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

It is a cyclic number.

It is not a de Polignac number, because 54549620201959 - 2²⁵ = 54549586647527 is a prime.

It is a super-2 number, since 2×54549620201959² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54549620201897 and 54549620201906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54549620201953) 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, 3261358384 + ... + 3261375109.

It is an arithmetic number, because the mean of its divisors is an integer number (13639035735954).

Almost surely, 2^{54549620201959} is an apocalyptic number.

54549620201959 is a deficient number, since it is larger than the sum of its proper divisors (6522741857).

54549620201959 is an equidigital number, since it uses as much as digits as its factorization.

54549620201959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522741856.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 54549620201959 in words is "fifty-four trillion, five hundred forty-nine billion, six hundred twenty million, two hundred one thousand, nine hundred fifty-nine".