5526287021 has 2 divisors, whose sum is σ = 5526287022. Its totient is φ = 5526287020.

The previous prime is 5526286973. The next prime is 5526287071. The reversal of 5526287021 is 1207826255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5526286921 + 100 = 74339^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 5526287021 - 2¹⁴ = 5526270637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5526287071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763143510 + 2763143511.

It is an arithmetic number, because the mean of its divisors is an integer number (2763143511).

Almost surely, 2^5526287021 is an apocalyptic number.

It is an amenable number.

5526287021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5526287021 is an equidigital number, since it uses as much as digits as its factorization.

5526287021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 5526287021 is about 74339.0006725945. Note that the first 3 decimals coincide. The cubic root of 5526287021 is about 1767.9818914160.

The spelling of 5526287021 in words is "five billion, five hundred twenty-six million, two hundred eighty-seven thousand, twenty-one".