5556620601 has 64 divisors (see below), whose sum is σ = 9596608000. Its totient is φ = 3111955200.

The previous prime is 5556620599. The next prime is 5556620617. The reversal of 5556620601 is 1060266555.

It is a happy number.

It is not a de Polignac number, because 5556620601 - 2¹ = 5556620599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5556620621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4022931 + ... + 4024311.

It is an arithmetic number, because the mean of its divisors is an integer number (149947000).

Almost surely, 2^5556620601 is an apocalyptic number.

It is an amenable number.

5556620601 is a deficient number, since it is larger than the sum of its proper divisors (4039987399).

5556620601 is a wasteful number, since it uses less digits than its factorization.

5556620601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 5556620601 is about 74542.7434496477. The cubic root of 5556620601 is about 1771.2107860396.

It can be divided in two parts, 55566 and 20601, that added together give a palindrome (76167).

The spelling of 5556620601 in words is "five billion, five hundred fifty-six million, six hundred twenty thousand, six hundred one".