65550607 has 2 divisors, whose sum is σ = 65550608. Its totient is φ = 65550606.

The previous prime is 65550599. The next prime is 65550629. The reversal of 65550607 is 70605556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65550607 - 2³ = 65550599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65550637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32775303 + 32775304.

It is an arithmetic number, because the mean of its divisors is an integer number (32775304).

Almost surely, 2^65550607 is an apocalyptic number.

65550607 is a deficient number, since it is larger than the sum of its proper divisors (1).

65550607 is an equidigital number, since it uses as much as digits as its factorization.

65550607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 65550607 is about 8096.3329353480. The cubic root of 65550607 is about 403.2046876259.

The spelling of 65550607 in words is "sixty-five million, five hundred fifty thousand, six hundred seven".