64355530 has 16 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 25633552.

The previous prime is 64355513. The next prime is 64355537. The reversal of 64355530 is 3555346.

It is a junction number, because it is equal to n+sod(n) for n = 64355492 and 64355501.

It is not an unprimeable number, because it can be changed into a prime (64355537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11074 + ... + 15853.

It is an arithmetic number, because the mean of its divisors is an integer number (7270560).

Almost surely, 2^64355530 is an apocalyptic number.

64355530 is a deficient number, since it is larger than the sum of its proper divisors (51973430).

64355530 is a wasteful number, since it uses less digits than its factorization.

64355530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27173.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 64355530 is about 8022.1898506580. The cubic root of 64355530 is about 400.7393201723.

The spelling of 64355530 in words is "sixty-four million, three hundred fifty-five thousand, five hundred thirty".