135552553 has 16 divisors (see below), whose sum is σ = 143879680. Its totient is φ = 127526400.

The previous prime is 135552539. The next prime is 135552581. The reversal of 135552553 is 355255531.

It is a cyclic number.

It is not a de Polignac number, because 135552553 - 2²¹ = 133455401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135552503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183058 + ... + 183796.

It is an arithmetic number, because the mean of its divisors is an integer number (8992480).

Almost surely, 2^135552553 is an apocalyptic number.

It is an amenable number.

135552553 is a deficient number, since it is larger than the sum of its proper divisors (8327127).

135552553 is an equidigital number, since it uses as much as digits as its factorization.

135552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its digits is 56250, while the sum is 34.

The square root of 135552553 is about 11642.7038526280. The cubic root of 135552553 is about 513.6917219094.

The spelling of 135552553 in words is "one hundred thirty-five million, five hundred fifty-two thousand, five hundred fifty-three".