5405885521 has 2 divisors, whose sum is σ = 5405885522. Its totient is φ = 5405885520.

The previous prime is 5405885503. The next prime is 5405885531. The reversal of 5405885521 is 1255885045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4561111296 + 844774225 = 67536^2 + 29065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405885521 - 2⁷ = 5405885393 is a prime.

It is not a weakly prime, because it can be changed into another prime (5405885501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702942760 + 2702942761.

It is an arithmetic number, because the mean of its divisors is an integer number (2702942761).

Almost surely, 2^5405885521 is an apocalyptic number.

It is an amenable number.

5405885521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405885521 is an equidigital number, since it uses as much as digits as its factorization.

5405885521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320000, while the sum is 43.

The square root of 5405885521 is about 73524.7272759308. The cubic root of 5405885521 is about 1755.0477954965.

The spelling of 5405885521 in words is "five billion, four hundred five million, eight hundred eighty-five thousand, five hundred twenty-one".