55180576349 has 4 divisors (see below), whose sum is σ = 55181705436. Its totient is φ = 55179447264.

The previous prime is 55180576333. The next prime is 55180576379. The reversal of 55180576349 is 94367508155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14248003225 + 40932573124 = 119365^2 + 202318^2 .

It is a cyclic number.

It is not a de Polignac number, because 55180576349 - 2⁴ = 55180576333 is a prime.

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 55180576349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55180576379) 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 3 ways as a sum of consecutive naturals, for example, 487754 + ... + 590139.

It is an arithmetic number, because the mean of its divisors is an integer number (13795426359).

Almost surely, 2^55180576349 is an apocalyptic number.

It is an amenable number.

55180576349 is a deficient number, since it is larger than the sum of its proper divisors (1129087).

55180576349 is a wasteful number, since it uses less digits than its factorization.

55180576349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129086.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 55180576349 in words is "fifty-five billion, one hundred eighty million, five hundred seventy-six thousand, three hundred forty-nine".