54517579907 has 4 divisors (see below), whose sum is σ = 62305805616. Its totient is φ = 46729354200.

The previous prime is 54517579901. The next prime is 54517579913. The reversal of 54517579907 is 70997571545.

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

It is an interprime number because it is at equal distance from previous prime (54517579901) and next prime (54517579913).

It is a cyclic number.

It is not a de Polignac number, because 54517579907 - 2¹⁴ = 54517563523 is a prime.

It is a super-2 number, since 2×54517579907² (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 (54517579901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3894112844 + ... + 3894112857.

It is an arithmetic number, because the mean of its divisors is an integer number (15576451404).

Almost surely, 2^54517579907 is an apocalyptic number.

54517579907 is a deficient number, since it is larger than the sum of its proper divisors (7788225709).

54517579907 is an equidigital number, since it uses as much as digits as its factorization.

54517579907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788225708.

The product of its (nonzero) digits is 13891500, while the sum is 59.

The spelling of 54517579907 in words is "fifty-four billion, five hundred seventeen million, five hundred seventy-nine thousand, nine hundred seven".