54244440515 has 4 divisors (see below), whose sum is σ = 65093328624. Its totient is φ = 43395552408.

The previous prime is 54244440499. The next prime is 54244440517. The reversal of 54244440515 is 51504444245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54244440515 - 2⁴ = 54244440499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54244440517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424444047 + ... + 5424444056.

It is an arithmetic number, because the mean of its divisors is an integer number (16273332156).

Almost surely, 2^54244440515 is an apocalyptic number.

54244440515 is a deficient number, since it is larger than the sum of its proper divisors (10848888109).

54244440515 is a wasteful number, since it uses less digits than its factorization.

54244440515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10848888108.

The product of its (nonzero) digits is 256000, while the sum is 38.

The spelling of 54244440515 in words is "fifty-four billion, two hundred forty-four million, four hundred forty thousand, five hundred fifteen".