5556217420 has 48 divisors (see below), whose sum is σ = 12970960128. Its totient is φ = 1985345280.

The previous prime is 5556217399. The next prime is 5556217427. The reversal of 5556217420 is 247126555.

It is a super-2 number, since 2×5556217420² = 61743104036622912800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5556217420.

It is not an unprimeable number, because it can be changed into a prime (5556217427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336619 + ... + 352738.

It is an arithmetic number, because the mean of its divisors is an integer number (270228336).

Almost surely, 2^5556217420 is an apocalyptic number.

It is an amenable number.

5556217420 is an abundant number, since it is smaller than the sum of its proper divisors (7414742708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5556217420 is a wasteful number, since it uses less digits than its factorization.

5556217420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689410 (or 689408 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 5556217420 is about 74540.0390394317. The cubic root of 5556217420 is about 1771.1679461038.

The spelling of 5556217420 in words is "five billion, five hundred fifty-six million, two hundred seventeen thousand, four hundred twenty".