64255545 has 32 divisors (see below), whose sum is σ = 116899200. Its totient is φ = 33469632.

The previous prime is 64255517. The next prime is 64255559. The reversal of 64255545 is 54555246.

64255545 is a `hidden beast` number, since 64 + 2 + 55 + 545 = 666.

It is not a de Polignac number, because 64255545 - 2¹³ = 64247353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (3653100).

Almost surely, 2^64255545 is an apocalyptic number.

It is an amenable number.

64255545 is a deficient number, since it is larger than the sum of its proper divisors (52643655).

64255545 is a wasteful number, since it uses less digits than its factorization.

64255545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11126 (or 11120 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 64255545 is about 8015.9556510749. The cubic root of 64255545 is about 400.5316783988.

The spelling of 64255545 in words is "sixty-four million, two hundred fifty-five thousand, five hundred forty-five".