55563436554 has 16 divisors (see below), whose sum is σ = 111138804192. Its totient is φ = 18519157008.

The previous prime is 55563436553. The next prime is 55563436561. The reversal of 55563436554 is 45563436555.

It is a junction number, because it is equal to n+sod(n) for n = 55563436497 and 55563436506.

It is not an unprimeable number, because it can be changed into a prime (55563436553) 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 7 ways as a sum of consecutive naturals, for example, 436009 + ... + 548844.

It is an arithmetic number, because the mean of its divisors is an integer number (6946175262).

Almost surely, 2^55563436554 is an apocalyptic number.

55563436554 is an abundant number, since it is smaller than the sum of its proper divisors (55575367638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55563436554 is a wasteful number, since it uses less digits than its factorization.

55563436554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994261.

The product of its digits is 16200000, while the sum is 51.

Subtracting from 55563436554 its reverse (45563436555), we obtain a palindrome (9999999999).

The spelling of 55563436554 in words is "fifty-five billion, five hundred sixty-three million, four hundred thirty-six thousand, five hundred fifty-four".