64055091 has 8 divisors (see below), whose sum is σ = 86577040. Its totient is φ = 42118272.

The previous prime is 64055081. The next prime is 64055093. The reversal of 64055091 is 19055046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64055091 - 2⁹ = 64054579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64055093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146026 + ... + 146463.

It is an arithmetic number, because the mean of its divisors is an integer number (10822130).

Almost surely, 2^64055091 is an apocalyptic number.

64055091 is a deficient number, since it is larger than the sum of its proper divisors (22521949).

64055091 is a wasteful number, since it uses less digits than its factorization.

64055091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292565.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 64055091 is about 8003.4424468475. The cubic root of 64055091 is about 400.1147400004.

The spelling of 64055091 in words is "sixty-four million, fifty-five thousand, ninety-one".