53455033 has 4 divisors (see below), whose sum is σ = 55298340. Its totient is φ = 51611728.

The previous prime is 53455019. The next prime is 53455049. The reversal of 53455033 is 33055435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 19954089 = 5788^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 53455033 - 2²¹ = 51357881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53454992 and 53455010.

It is not an unprimeable number, because it can be changed into a prime (53455133) 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, 921610 + ... + 921667.

It is an arithmetic number, because the mean of its divisors is an integer number (13824585).

Almost surely, 2^53455033 is an apocalyptic number.

It is an amenable number.

53455033 is a deficient number, since it is larger than the sum of its proper divisors (1843307).

53455033 is a wasteful number, since it uses less digits than its factorization.

53455033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843306.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 53455033 is about 7311.2948921515. The cubic root of 53455033 is about 376.7005034821.

The spelling of 53455033 in words is "fifty-three million, four hundred fifty-five thousand, thirty-three".