5555555554964 has 6 divisors (see below), whose sum is σ = 9722222221194. Its totient is φ = 2777777777480.

The previous prime is 5555555554961. The next prime is 5555555554993. The reversal of 5555555554964 is 4694555555555.

It can be written as a sum of positive squares in only one way, i.e., 5124880992400 + 430674562564 = 2263820^2 + 656258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5555555554894 and 5555555554903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555555554961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694444444367 + ... + 694444444374.

It is an arithmetic number, because the mean of its divisors is an integer number (1620370370199).

Almost surely, 2^{5555555554964} is an apocalyptic number.

It is an amenable number.

5555555554964 is a deficient number, since it is larger than the sum of its proper divisors (4166666666230).

5555555554964 is a wasteful number, since it uses less digits than its factorization.

5555555554964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388888888745 (or 1388888888743 counting only the distinct ones).

The product of its digits is 1687500000, while the sum is 68.

The spelling of 5555555554964 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-four thousand, nine hundred sixty-four".