54380799709 has 4 divisors (see below), whose sum is σ = 55192453504. Its totient is φ = 53569145916.

The previous prime is 54380799703. The next prime is 54380799713. The reversal of 54380799709 is 90799708345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90799708345 = 5 ⋅18159941669.

It is a cyclic number.

It is not a de Polignac number, because 54380799709 - 2²⁷ = 54246581981 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 (54380799703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405826797 + ... + 405826930.

It is an arithmetic number, because the mean of its divisors is an integer number (13798113376).

Almost surely, 2^54380799709 is an apocalyptic number.

It is an amenable number.

54380799709 is a deficient number, since it is larger than the sum of its proper divisors (811653795).

54380799709 is an equidigital number, since it uses as much as digits as its factorization.

54380799709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811653794.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 54380799709 in words is "fifty-four billion, three hundred eighty million, seven hundred ninety-nine thousand, seven hundred nine".