54493440019 has 8 divisors (see below), whose sum is σ = 54797783040. Its totient is φ = 54189744000.

The previous prime is 54493440011. The next prime is 54493440061. The reversal of 54493440019 is 91004439445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54493440019 - 2³ = 54493440011 is a prime.

It is a super-2 number, since 2×54493440019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54493440011) 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, 7662 + ... + 330220.

It is an arithmetic number, because the mean of its divisors is an integer number (6849722880).

Almost surely, 2^54493440019 is an apocalyptic number.

54493440019 is a deficient number, since it is larger than the sum of its proper divisors (304343021).

54493440019 is a wasteful number, since it uses less digits than its factorization.

54493440019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323501.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 54493440019 in words is "fifty-four billion, four hundred ninety-three million, four hundred forty thousand, nineteen".