64551842 has 8 divisors (see below), whose sum is σ = 96881616. Its totient is φ = 32257972.

The previous prime is 64551829. The next prime is 64551857. The reversal of 64551842 is 24815546.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (12110202).

Almost surely, 2^64551842 is an apocalyptic number.

64551842 is a deficient number, since it is larger than the sum of its proper divisors (32329774).

64551842 is a wasteful number, since it uses less digits than its factorization.

64551842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17952.

The product of its digits is 38400, while the sum is 35.

The square root of 64551842 is about 8034.4160957720. The cubic root of 64551842 is about 401.1463822142.

The spelling of 64551842 in words is "sixty-four million, five hundred fifty-one thousand, eight hundred forty-two".