55634849545 has 12 divisors (see below), whose sum is σ = 73382827140. Its totient is φ = 40461708320.

The previous prime is 55634849503. The next prime is 55634849549. The reversal of 55634849545 is 54594843655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6462230544 + 49172619001 = 80388^2 + 221749^2 .

It is not a de Polignac number, because 55634849545 - 2²¹ = 55632752393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55634849545.

It is not an unprimeable number, because it can be changed into a prime (55634849549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45978610 + ... + 45979819.

It is an arithmetic number, because the mean of its divisors is an integer number (6115235595).

Almost surely, 2^55634849545 is an apocalyptic number.

55634849545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55634849545 is a deficient number, since it is larger than the sum of its proper divisors (17747977595).

55634849545 is a wasteful number, since it uses less digits than its factorization.

55634849545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91958456 (or 91958445 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 58.

The spelling of 55634849545 in words is "fifty-five billion, six hundred thirty-four million, eight hundred forty-nine thousand, five hundred forty-five".