53238833 has 2 divisors, whose sum is σ = 53238834. Its totient is φ = 53238832.

The previous prime is 53238791. The next prime is 53238839. The reversal of 53238833 is 33883235.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 3508129 = 7052^2 + 1873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53238833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53238793 and 53238802.

It is not a weakly prime, because it can be changed into another prime (53238839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26619416 + 26619417.

It is an arithmetic number, because the mean of its divisors is an integer number (26619417).

Almost surely, 2^53238833 is an apocalyptic number.

It is an amenable number.

53238833 is a deficient number, since it is larger than the sum of its proper divisors (1).

53238833 is an equidigital number, since it uses as much as digits as its factorization.

53238833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 53238833 is about 7296.4945693120. The cubic root of 53238833 is about 376.1919595684.

The spelling of 53238833 in words is "fifty-three million, two hundred thirty-eight thousand, eight hundred thirty-three".