555616061 has 24 divisors (see below), whose sum is σ = 750118464. Its totient is φ = 399634560.

The previous prime is 555616057. The next prime is 555616079. The reversal of 555616061 is 160616555.

It is not a de Polignac number, because 555616061 - 2² = 555616057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555616021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8336 + ... + 34361.

It is an arithmetic number, because the mean of its divisors is an integer number (31254936).

Almost surely, 2^555616061 is an apocalyptic number.

It is an amenable number.

555616061 is a deficient number, since it is larger than the sum of its proper divisors (194502403).

555616061 is a wasteful number, since it uses less digits than its factorization.

555616061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42741 (or 42728 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 555616061 is about 23571.5095189086. The cubic root of 555616061 is about 822.1005342117.

It can be divided in two parts, 555 and 616061, that added together give a palindrome (616616).

The spelling of 555616061 in words is "five hundred fifty-five million, six hundred sixteen thousand, sixty-one".