53155133 has 2 divisors, whose sum is σ = 53155134. Its totient is φ = 53155132.

The previous prime is 53155117. The next prime is 53155153. The reversal of 53155133 is 33155135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39413284 + 13741849 = 6278^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 53155133 - 2⁴ = 53155117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53155153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26577566 + 26577567.

It is an arithmetic number, because the mean of its divisors is an integer number (26577567).

Almost surely, 2^53155133 is an apocalyptic number.

It is an amenable number.

53155133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53155133 is an equidigital number, since it uses as much as digits as its factorization.

53155133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3375, while the sum is 26.

The square root of 53155133 is about 7290.7566822656. The cubic root of 53155133 is about 375.9947114278.

The spelling of 53155133 in words is "fifty-three million, one hundred fifty-five thousand, one hundred thirty-three".