53394533 has 2 divisors, whose sum is σ = 53394534. Its totient is φ = 53394532.

The previous prime is 53394521. The next prime is 53394613. The reversal of 53394533 is 33549335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 5189284 = 6943^2 + 2278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53394533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53394493 and 53394502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53354533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26697266 + 26697267.

It is an arithmetic number, because the mean of its divisors is an integer number (26697267).

Almost surely, 2^53394533 is an apocalyptic number.

It is an amenable number.

53394533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53394533 is an equidigital number, since it uses as much as digits as its factorization.

53394533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 35.

The square root of 53394533 is about 7307.1562868191. The cubic root of 53394533 is about 376.5583342445.

The spelling of 53394533 in words is "fifty-three million, three hundred ninety-four thousand, five hundred thirty-three".