5556026021 has 16 divisors (see below), whose sum is σ = 6840086400. Its totient is φ = 4394755008.

The previous prime is 5556026017. The next prime is 5556026023. The reversal of 5556026021 is 1206206555.

It is not a de Polignac number, because 5556026021 - 2² = 5556026017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556026023) 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, 465395 + ... + 477183.

It is an arithmetic number, because the mean of its divisors is an integer number (427505400).

Almost surely, 2^5556026021 is an apocalyptic number.

It is an amenable number.

5556026021 is a deficient number, since it is larger than the sum of its proper divisors (1284060379).

5556026021 is a wasteful number, since it uses less digits than its factorization.

5556026021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5556026021 is about 74538.7551613253. The cubic root of 5556026021 is about 1771.1476083068.

The spelling of 5556026021 in words is "five billion, five hundred fifty-six million, twenty-six thousand, twenty-one".