555505610601 has 4 divisors (see below), whose sum is σ = 740674147472. Its totient is φ = 370337073732.

The previous prime is 555505610563. The next prime is 555505610609. The reversal of 555505610601 is 106016505555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 555505610601 - 2³⁰ = 554431868777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555505610601.

It is not an unprimeable number, because it can be changed into a prime (555505610609) 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, 92584268431 + ... + 92584268436.

It is an arithmetic number, because the mean of its divisors is an integer number (185168536868).

Almost surely, 2^555505610601 is an apocalyptic number.

It is an amenable number.

555505610601 is a deficient number, since it is larger than the sum of its proper divisors (185168536871).

555505610601 is a wasteful number, since it uses less digits than its factorization.

555505610601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185168536870.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 555505610601 in words is "five hundred fifty-five billion, five hundred five million, six hundred ten thousand, six hundred one".