135050553 has 24 divisors (see below), whose sum is σ = 214138080. Its totient is φ = 81336960.

The previous prime is 135050543. The next prime is 135050557. The reversal of 135050553 is 355050531.

135050553 is a `hidden beast` number, since 13 + 50 + 50 + 553 = 666.

It is not a de Polignac number, because 135050553 - 2⁵ = 135050521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135050557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11953 + ... + 20321.

It is an arithmetic number, because the mean of its divisors is an integer number (8922420).

Almost surely, 2^135050553 is an apocalyptic number.

It is an amenable number.

135050553 is a deficient number, since it is larger than the sum of its proper divisors (79087527).

135050553 is a wasteful number, since it uses less digits than its factorization.

135050553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 135050553 is about 11621.1252897471. The cubic root of 135050553 is about 513.0568089112.

The spelling of 135050553 in words is "one hundred thirty-five million, fifty thousand, five hundred fifty-three".