53011433 has 2 divisors, whose sum is σ = 53011434. Its totient is φ = 53011432.

The previous prime is 53011421. The next prime is 53011459. The reversal of 53011433 is 33411035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 984064 = 7213^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 53011433 - 2⁸ = 53011177 is a prime.

It is not a weakly prime, because it can be changed into another prime (53011633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505716 + 26505717.

It is an arithmetic number, because the mean of its divisors is an integer number (26505717).

Almost surely, 2^53011433 is an apocalyptic number.

It is an amenable number.

53011433 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011433 is an equidigital number, since it uses as much as digits as its factorization.

53011433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53011433 is about 7280.8950686025. The cubic root of 53011433 is about 375.6555833010.

Adding to 53011433 its reverse (33411035), we get a palindrome (86422468).

The spelling of 53011433 in words is "fifty-three million, eleven thousand, four hundred thirty-three".