53140033 has 4 divisors (see below), whose sum is σ = 54270720. Its totient is φ = 52009348.

The previous prime is 53140027. The next prime is 53140049. The reversal of 53140033 is 33004135.

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.

It is a cyclic number.

It is not a de Polignac number, because 53140033 - 2⁵ = 53140001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53140013) 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, 565273 + ... + 565366.

It is an arithmetic number, because the mean of its divisors is an integer number (13567680).

Almost surely, 2^53140033 is an apocalyptic number.

It is an amenable number.

53140033 is a deficient number, since it is larger than the sum of its proper divisors (1130687).

53140033 is a wasteful number, since it uses less digits than its factorization.

53140033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130686.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 53140033 is about 7289.7210509045. The cubic root of 53140033 is about 375.9591045948.

Adding to 53140033 its reverse (33004135), we get a palindrome (86144168).

The spelling of 53140033 in words is "fifty-three million, one hundred forty thousand, thirty-three".