64556042 has 8 divisors (see below), whose sum is σ = 97060032. Its totient is φ = 32202700.

The previous prime is 64556039. The next prime is 64556071. The reversal of 64556042 is 24065546.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36584 + ... + 38307.

It is an arithmetic number, because the mean of its divisors is an integer number (12132504).

Almost surely, 2^64556042 is an apocalyptic number.

64556042 is a deficient number, since it is larger than the sum of its proper divisors (32503990).

64556042 is a wasteful number, since it uses less digits than its factorization.

64556042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75324.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 64556042 is about 8034.6774670798. The cubic root of 64556042 is about 401.1550820861.

The spelling of 64556042 in words is "sixty-four million, five hundred fifty-six thousand, forty-two".