555660013523 has 4 divisors (see below), whose sum is σ = 555895764720. Its totient is φ = 555424262328.

The previous prime is 555660013507. The next prime is 555660013591. The reversal of 555660013523 is 325310066555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555660013523 - 2⁴ = 555660013507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555660013823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117872063 + ... + 117876776.

It is an arithmetic number, because the mean of its divisors is an integer number (138973941180).

Almost surely, 2^555660013523 is an apocalyptic number.

555660013523 is a deficient number, since it is larger than the sum of its proper divisors (235751197).

555660013523 is a wasteful number, since it uses less digits than its factorization.

555660013523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235751196.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 555660013523 in words is "five hundred fifty-five billion, six hundred sixty million, thirteen thousand, five hundred twenty-three".