53040033 has 6 divisors (see below), whose sum is σ = 76613394. Its totient is φ = 35360016.

The previous prime is 53040023. The next prime is 53040061. The reversal of 53040033 is 33004035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39841344 + 13198689 = 6312^2 + 3633^2 .

It is not a de Polignac number, because 53040033 - 2²² = 48845729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53039988 and 53040015.

It is not an unprimeable number, because it can be changed into a prime (53040023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2946660 + ... + 2946677.

It is an arithmetic number, because the mean of its divisors is an integer number (12768899).

Almost surely, 2^53040033 is an apocalyptic number.

It is an amenable number.

53040033 is a deficient number, since it is larger than the sum of its proper divisors (23573361).

53040033 is a wasteful number, since it uses less digits than its factorization.

53040033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893343 (or 5893340 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 53040033 is about 7282.8588480074. The cubic root of 53040033 is about 375.7231273353.

Adding to 53040033 its reverse (33004035), we get a palindrome (86044068).

The spelling of 53040033 in words is "fifty-three million, forty thousand, thirty-three".