55612278334 has 32 divisors (see below), whose sum is σ = 85456530432. Its totient is φ = 27134460000.

The previous prime is 55612278311. The next prime is 55612278349. The reversal of 55612278334 is 43387221655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20097019 + ... + 20099785.

It is an arithmetic number, because the mean of its divisors is an integer number (2670516576).

Almost surely, 2^55612278334 is an apocalyptic number.

55612278334 is a deficient number, since it is larger than the sum of its proper divisors (29844252098).

55612278334 is a wasteful number, since it uses less digits than its factorization.

55612278334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its digits is 1209600, while the sum is 46.

Adding to 55612278334 its reverse (43387221655), we get a palindrome (98999499989).

The spelling of 55612278334 in words is "fifty-five billion, six hundred twelve million, two hundred seventy-eight thousand, three hundred thirty-four".