54139166264290 has 16 divisors (see below), whose sum is σ = 97491222469368. Its totient is φ = 21646616907136.

The previous prime is 54139166264257. The next prime is 54139166264297. The reversal of 54139166264290 is 9246266193145.

It can be written as a sum of positive squares in 4 ways, for example, as 44918050580649 + 9221115683641 = 6702093^2 + 3036629^2 .

It is not an unprimeable number, because it can be changed into a prime (54139166264297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131174697 + ... + 1131222556.

Almost surely, 2^{54139166264290} is an apocalyptic number.

54139166264290 is a deficient number, since it is larger than the sum of its proper divisors (43352056205078).

54139166264290 is a wasteful number, since it uses less digits than its factorization.

54139166264290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262399653.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 54139166264290 in words is "fifty-four trillion, one hundred thirty-nine billion, one hundred sixty-six million, two hundred sixty-four thousand, two hundred ninety".