65050553 has 2 divisors, whose sum is σ = 65050554. Its totient is φ = 65050552.

The previous prime is 65050541. The next prime is 65050561. The reversal of 65050553 is 35505056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61653904 + 3396649 = 7852^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 65050553 - 2¹⁰ = 65049529 is a prime.

It is not a weakly prime, because it can be changed into another prime (65050523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32525276 + 32525277.

It is an arithmetic number, because the mean of its divisors is an integer number (32525277).

Almost surely, 2^65050553 is an apocalyptic number.

It is an amenable number.

65050553 is a deficient number, since it is larger than the sum of its proper divisors (1).

65050553 is an equidigital number, since it uses as much as digits as its factorization.

65050553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 65050553 is about 8065.3923029199. The cubic root of 65050553 is about 402.1767846167.

The spelling of 65050553 in words is "sixty-five million, fifty thousand, five hundred fifty-three".