555004425561 has 8 divisors (see below), whose sum is σ = 741714923040. Its totient is φ = 369148439232.

The previous prime is 555004425559. The next prime is 555004425571. The reversal of 555004425561 is 165524400555.

555004425561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 555004425561 - 2¹ = 555004425559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555004425551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213626271 + ... + 213628868.

It is an arithmetic number, because the mean of its divisors is an integer number (92714365380).

Almost surely, 2^555004425561 is an apocalyptic number.

It is an amenable number.

555004425561 is a deficient number, since it is larger than the sum of its proper divisors (186710497479).

555004425561 is a wasteful number, since it uses less digits than its factorization.

555004425561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427255575.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 555004425561 in words is "five hundred fifty-five billion, four million, four hundred twenty-five thousand, five hundred sixty-one".