64406056 has 32 divisors (see below), whose sum is σ = 141876000. Its totient is φ = 27023040.

The previous prime is 64406053. The next prime is 64406059. The reversal of 64406056 is 65060446.

It is an interprime number because it is at equal distance from previous prime (64406053) and next prime (64406059).

It is not an unprimeable number, because it can be changed into a prime (64406051) 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, 27006 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (4433625).

Almost surely, 2^64406056 is an apocalyptic number.

It is an amenable number.

64406056 is an abundant number, since it is smaller than the sum of its proper divisors (77469944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64406056 is a wasteful number, since it uses less digits than its factorization.

64406056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56329 (or 56325 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 64406056 is about 8025.3383729286. The cubic root of 64406056 is about 400.8441672011.

The spelling of 64406056 in words is "sixty-four million, four hundred six thousand, fifty-six".