54637867459 has 16 divisors (see below), whose sum is σ = 63447459840. Its totient is φ = 46081919520.

The previous prime is 54637867423. The next prime is 54637867469. The reversal of 54637867459 is 95476873645.

It is not a de Polignac number, because 54637867459 - 2³¹ = 52490383811 is a prime.

It is a super-2 number, since 2×54637867459² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54637867459.

It is not an unprimeable number, because it can be changed into a prime (54637867409) 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 15 ways as a sum of consecutive naturals, for example, 144982 + ... + 360964.

It is an arithmetic number, because the mean of its divisors is an integer number (3965466240).

Almost surely, 2^54637867459 is an apocalyptic number.

54637867459 is a deficient number, since it is larger than the sum of its proper divisors (8809592381).

54637867459 is a wasteful number, since it uses less digits than its factorization.

54637867459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216570.

The product of its digits is 152409600, while the sum is 64.

The spelling of 54637867459 in words is "fifty-four billion, six hundred thirty-seven million, eight hundred sixty-seven thousand, four hundred fifty-nine".