33148953553 has 4 divisors (see below), whose sum is σ = 33568560640. Its totient is φ = 32729346468.

The previous prime is 33148953529. The next prime is 33148953569. The reversal of 33148953553 is 35535984133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35535984133 = 13 ⋅2733537241.

It is a cyclic number.

It is not a de Polignac number, because 33148953553 - 2⁵ = 33148953521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33148953497 and 33148953506.

It is not an unprimeable number, because it can be changed into a prime (33148956553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209803425 + ... + 209803582.

It is an arithmetic number, because the mean of its divisors is an integer number (8392140160).

Almost surely, 2^33148953553 is an apocalyptic number.

It is an amenable number.

33148953553 is a deficient number, since it is larger than the sum of its proper divisors (419607087).

33148953553 is an equidigital number, since it uses as much as digits as its factorization.

33148953553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419607086.

The product of its digits is 2916000, while the sum is 49.

The spelling of 33148953553 in words is "thirty-three billion, one hundred forty-eight million, nine hundred fifty-three thousand, five hundred fifty-three".