53516249 has 2 divisors, whose sum is σ = 53516250. Its totient is φ = 53516248.

The previous prime is 53516237. The next prime is 53516269. The reversal of 53516249 is 94261535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 24571849 = 5380^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 53516249 - 2⁴ = 53516233 is a prime.

It is not a weakly prime, because it can be changed into another prime (53516269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758124 + 26758125.

It is an arithmetic number, because the mean of its divisors is an integer number (26758125).

Almost surely, 2^53516249 is an apocalyptic number.

It is an amenable number.

53516249 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516249 is an equidigital number, since it uses as much as digits as its factorization.

53516249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 53516249 is about 7315.4800936097. The cubic root of 53516249 is about 376.8442461110.

The spelling of 53516249 in words is "fifty-three million, five hundred sixteen thousand, two hundred forty-nine".