5546011621 has 2 divisors, whose sum is σ = 5546011622. Its totient is φ = 5546011620.

The previous prime is 5546011613. The next prime is 5546011633. The reversal of 5546011621 is 1261106455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4324509121 + 1221502500 = 65761^2 + 34950^2 .

It is a cyclic number.

It is not a de Polignac number, because 5546011621 - 2³ = 5546011613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5546011021) 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 as a sum of consecutive naturals, namely, 2773005810 + 2773005811.

It is an arithmetic number, because the mean of its divisors is an integer number (2773005811).

Almost surely, 2^5546011621 is an apocalyptic number.

It is an amenable number.

5546011621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5546011621 is an equidigital number, since it uses as much as digits as its factorization.

5546011621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5546011621 is about 74471.5490707693. The cubic root of 5546011621 is about 1770.0828396012.

It can be divided in two parts, 55460 and 11621, that added together give a square (67081 = 259²).

The spelling of 5546011621 in words is "five billion, five hundred forty-six million, eleven thousand, six hundred twenty-one".