54208688840407 has 16 divisors (see below), whose sum is σ = 55620074291040. Its totient is φ = 52813005927552.

The previous prime is 54208688840387. The next prime is 54208688840417. The reversal of 54208688840407 is 70404888680245.

It is a cyclic number.

It is not a de Polignac number, because 54208688840407 - 2⁷ = 54208688840279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54208688840417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999557 + ... + 10602622.

It is an arithmetic number, because the mean of its divisors is an integer number (3476254643190).

Almost surely, 2^{54208688840407} is an apocalyptic number.

54208688840407 is a deficient number, since it is larger than the sum of its proper divisors (1411385450633).

54208688840407 is a wasteful number, since it uses less digits than its factorization.

54208688840407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12602802.

The product of its (nonzero) digits is 110100480, while the sum is 64.

The spelling of 54208688840407 in words is "fifty-four trillion, two hundred eight billion, six hundred eighty-eight million, eight hundred forty thousand, four hundred seven".