555561669445 has 8 divisors (see below), whose sum is σ = 672904602144. Its totient is φ = 440295603024.

The previous prime is 555561669433. The next prime is 555561669457. The reversal of 555561669445 is 544966165555.

It is an interprime number because it is at equal distance from previous prime (555561669433) and next prime (555561669457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555561669445 - 2¹⁹ = 555561145157 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 519215979 + ... + 519217048.

It is an arithmetic number, because the mean of its divisors is an integer number (84113075268).

Almost surely, 2^555561669445 is an apocalyptic number.

It is an amenable number.

555561669445 is a deficient number, since it is larger than the sum of its proper divisors (117342932699).

555561669445 is a wasteful number, since it uses less digits than its factorization.

555561669445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038433139.

The product of its digits is 97200000, while the sum is 61.

The spelling of 555561669445 in words is "five hundred fifty-five billion, five hundred sixty-one million, six hundred sixty-nine thousand, four hundred forty-five".