53212849 has 2 divisors, whose sum is σ = 53212850. Its totient is φ = 53212848.

The previous prime is 53212813. The next prime is 53212879. The reversal of 53212849 is 94821235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51022449 + 2190400 = 7143^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 53212849 - 2⁷ = 53212721 is a prime.

It is not a weakly prime, because it can be changed into another prime (53212879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606424 + 26606425.

It is an arithmetic number, because the mean of its divisors is an integer number (26606425).

Almost surely, 2^53212849 is an apocalyptic number.

It is an amenable number.

53212849 is a deficient number, since it is larger than the sum of its proper divisors (1).

53212849 is an equidigital number, since it uses as much as digits as its factorization.

53212849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 53212849 is about 7294.7137709440. The cubic root of 53212849 is about 376.1307475920.

The spelling of 53212849 in words is "fifty-three million, two hundred twelve thousand, eight hundred forty-nine".