56554812535 has 16 divisors (see below), whose sum is σ = 73091176704. Its totient is φ = 41760721152.

The previous prime is 56554812533. The next prime is 56554812551. The reversal of 56554812535 is 53521845565.

It is a cyclic number.

It is not a de Polignac number, because 56554812535 - 2¹ = 56554812533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554812533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850539 + ... + 1880851.

It is an arithmetic number, because the mean of its divisors is an integer number (4568198544).

Almost surely, 2^56554812535 is an apocalyptic number.

56554812535 is a deficient number, since it is larger than the sum of its proper divisors (16536364169).

56554812535 is a wasteful number, since it uses less digits than its factorization.

56554812535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59034.

The product of its digits is 3600000, while the sum is 49.

The spelling of 56554812535 in words is "fifty-six billion, five hundred fifty-four million, eight hundred twelve thousand, five hundred thirty-five".