5611553 has 2 divisors, whose sum is σ = 5611554. Its totient is φ = 5611552.

The previous prime is 5611519. The next prime is 5611579. The reversal of 5611553 is 3551165.

5611553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (5611579) can be obtained adding 5611553 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4635409 + 976144 = 2153^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 5611553 - 2¹² = 5607457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5611253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805776 + 2805777.

It is an arithmetic number, because the mean of its divisors is an integer number (2805777).

Almost surely, 2^5611553 is an apocalyptic number.

It is an amenable number.

5611553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611553 is an equidigital number, since it uses as much as digits as its factorization.

5611553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 5611553 is about 2368.8716723369. The cubic root of 5611553 is about 177.7028349775.

The spelling of 5611553 in words is "five million, six hundred eleven thousand, five hundred fifty-three".