555556461 has 4 divisors (see below), whose sum is σ = 740741952. Its totient is φ = 370370972.

The previous prime is 555556427. The next prime is 555556471. The reversal of 555556461 is 164655555.

555556461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 555556461 - 2²² = 551362157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555556411) 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, 92592741 + ... + 92592746.

It is an arithmetic number, because the mean of its divisors is an integer number (185185488).

Almost surely, 2^555556461 is an apocalyptic number.

It is an amenable number.

555556461 is a deficient number, since it is larger than the sum of its proper divisors (185185491).

555556461 is a wasteful number, since it uses less digits than its factorization.

555556461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185185490.

The product of its digits is 450000, while the sum is 42.

The square root of 555556461 is about 23570.2452469210. The cubic root of 555556461 is about 822.0711380469.

The spelling of 555556461 in words is "five hundred fifty-five million, five hundred fifty-six thousand, four hundred sixty-one".