54379720840193 has 4 divisors (see below), whose sum is σ = 62148252388800. Its totient is φ = 46611189291588.

The previous prime is 54379720840189. The next prime is 54379720840213. The reversal of 54379720840193 is 39104802797345.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 54379720840193 - 2² = 54379720840189 is a prime.

It is a super-3 number, since 3×54379720840193³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54379720840793) 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, 3884265774293 + ... + 3884265774306.

It is an arithmetic number, because the mean of its divisors is an integer number (15537063097200).

Almost surely, 2^{54379720840193} is an apocalyptic number.

It is an amenable number.

54379720840193 is a deficient number, since it is larger than the sum of its proper divisors (7768531548607).

54379720840193 is an equidigital number, since it uses as much as digits as its factorization.

54379720840193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768531548606.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 54379720840193 in words is "fifty-four trillion, three hundred seventy-nine billion, seven hundred twenty million, eight hundred forty thousand, one hundred ninety-three".