55280180722 has 32 divisors (see below), whose sum is σ = 90244087920. Its totient is φ = 25244179200.

The previous prime is 55280180713. The next prime is 55280180759. The reversal of 55280180722 is 22708108255.

It can be written as a sum of positive squares in 8 ways, for example, as 31791246601 + 23488934121 = 178301^2 + 153261^2 .

It is an unprimeable number.

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, 4376488 + ... + 4389100.

Almost surely, 2^55280180722 is an apocalyptic number.

55280180722 is a deficient number, since it is larger than the sum of its proper divisors (34963907198).

55280180722 is a wasteful number, since it uses less digits than its factorization.

55280180722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398.

The product of its (nonzero) digits is 89600, while the sum is 40.

Adding to 55280180722 its reverse (22708108255), we get a palindrome (77988288977).

The spelling of 55280180722 in words is "fifty-five billion, two hundred eighty million, one hundred eighty thousand, seven hundred twenty-two".