555460661 has 16 divisors (see below), whose sum is σ = 653764608. Its totient is φ = 462019200.

The previous prime is 555460639. The next prime is 555460691. The reversal of 555460661 is 166064555.

It is a cyclic number.

It is not a de Polignac number, because 555460661 - 2¹⁴ = 555444277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555460691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49751 + ... + 59883.

It is an arithmetic number, because the mean of its divisors is an integer number (40860288).

Almost surely, 2^555460661 is an apocalyptic number.

It is an amenable number.

555460661 is a deficient number, since it is larger than the sum of its proper divisors (98303947).

555460661 is a wasteful number, since it uses less digits than its factorization.

555460661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 555460661 is about 23568.2129360713. The cubic root of 555460661 is about 822.0238827585.

The spelling of 555460661 in words is "five hundred fifty-five million, four hundred sixty thousand, six hundred sixty-one".