53556331479 has 16 divisors (see below), whose sum is σ = 84423774720. Its totient is φ = 29548320480.

The previous prime is 53556331469. The next prime is 53556331523. The reversal of 53556331479 is 97413365535.

It is not a de Polignac number, because 53556331479 - 2⁷ = 53556331351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53556331459) 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, 43970107 + ... + 43971324.

It is an arithmetic number, because the mean of its divisors is an integer number (5276485920).

Almost surely, 2^53556331479 is an apocalyptic number.

53556331479 is a deficient number, since it is larger than the sum of its proper divisors (30867443241).

53556331479 is a wasteful number, since it uses less digits than its factorization.

53556331479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87941470.

The product of its digits is 5103000, while the sum is 51.

The spelling of 53556331479 in words is "fifty-three billion, five hundred fifty-six million, three hundred thirty-one thousand, four hundred seventy-nine".