55107640427144 has 32 divisors (see below), whose sum is σ = 103514681359800. Its totient is φ = 27503731261440.

The previous prime is 55107640427137. The next prime is 55107640427153. The reversal of 55107640427144 is 44172404670155.

It can be written as a sum of positive squares in 4 ways, for example, as 50321005312900 + 4786635114244 = 7093730^2 + 2187838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55107640427092 and 55107640427101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76666664 + ... + 77382120.

Almost surely, 2^{55107640427144} is an apocalyptic number.

It is an amenable number.

55107640427144 is a deficient number, since it is larger than the sum of its proper divisors (48407040932656).

55107640427144 is a wasteful number, since it uses less digits than its factorization.

55107640427144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732953 (or 732949 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 55107640427144 in words is "fifty-five trillion, one hundred seven billion, six hundred forty million, four hundred twenty-seven thousand, one hundred forty-four".