53349133 has 2 divisors, whose sum is σ = 53349134. Its totient is φ = 53349132.

The previous prime is 53349119. The next prime is 53349137. The reversal of 53349133 is 33194335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 29929 = 7302^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 53349133 - 2²⁵ = 19794701 is a prime.

It is a super-2 number, since 2×53349133² = 5692259983703378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53349095 and 53349104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53349137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26674566 + 26674567.

It is an arithmetic number, because the mean of its divisors is an integer number (26674567).

Almost surely, 2^53349133 is an apocalyptic number.

It is an amenable number.

53349133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53349133 is an equidigital number, since it uses as much as digits as its factorization.

53349133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 31.

The square root of 53349133 is about 7304.0490825295. The cubic root of 53349133 is about 376.4515780215.

The spelling of 53349133 in words is "fifty-three million, three hundred forty-nine thousand, one hundred thirty-three".