855548033 has 4 divisors (see below), whose sum is σ = 855637680. Its totient is φ = 855458388.

The previous prime is 855547999. The next prime is 855548039. The reversal of 855548033 is 330845558.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 330845558 = 2 ⋅165422779.

It is a cyclic number.

It is not a de Polignac number, because 855548033 - 2⁶ = 855547969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855548039) 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, 28535 + ... + 50252.

It is an arithmetic number, because the mean of its divisors is an integer number (213909420).

Almost surely, 2^855548033 is an apocalyptic number.

It is an amenable number.

855548033 is a deficient number, since it is larger than the sum of its proper divisors (89647).

855548033 is a wasteful number, since it uses less digits than its factorization.

855548033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89646.

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 855548033 is about 29249.7526998093. The cubic root of 855548033 is about 949.3247400836.

The spelling of 855548033 in words is "eight hundred fifty-five million, five hundred forty-eight thousand, thirty-three".