53302061 has 2 divisors, whose sum is σ = 53302062. Its totient is φ = 53302060.

The previous prime is 53302031. The next prime is 53302079. The reversal of 53302061 is 16020335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52113961 + 1188100 = 7219^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53302061 is a prime.

It is a super-2 number, since 2×53302061² = 5682219413695442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53302031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26651030 + 26651031.

It is an arithmetic number, because the mean of its divisors is an integer number (26651031).

Almost surely, 2^53302061 is an apocalyptic number.

It is an amenable number.

53302061 is a deficient number, since it is larger than the sum of its proper divisors (1).

53302061 is an equidigital number, since it uses as much as digits as its factorization.

53302061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53302061 is about 7300.8260491536. The cubic root of 53302061 is about 376.3408261872.

Adding to 53302061 its reverse (16020335), we get a palindrome (69322396).

The spelling of 53302061 in words is "fifty-three million, three hundred two thousand, sixty-one".