64008551 has 2 divisors, whose sum is σ = 64008552. Its totient is φ = 64008550.

The previous prime is 64008547. The next prime is 64008599. The reversal of 64008551 is 15580046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64008551 - 2² = 64008547 is a prime.

It is a super-2 number, since 2×64008551² = 8194189202239202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64008751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32004275 + 32004276.

It is an arithmetic number, because the mean of its divisors is an integer number (32004276).

Almost surely, 2^64008551 is an apocalyptic number.

64008551 is a deficient number, since it is larger than the sum of its proper divisors (1).

64008551 is an equidigital number, since it uses as much as digits as its factorization.

64008551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 64008551 is about 8000.5344196497. The cubic root of 64008551 is about 400.0178137900.

Adding to 64008551 its reverse (15580046), we get a palindrome (79588597).

The spelling of 64008551 in words is "sixty-four million, eight thousand, five hundred fifty-one".