65503442 has 16 divisors (see below), whose sum is σ = 100481472. Its totient is φ = 32014320.

The previous prime is 65503433. The next prime is 65503453. The reversal of 65503442 is 24430556.

65503442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31973 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (6280092).

Almost surely, 2^65503442 is an apocalyptic number.

65503442 is a deficient number, since it is larger than the sum of its proper divisors (34978030).

65503442 is a wasteful number, since it uses less digits than its factorization.

65503442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 65503442 is about 8093.4196727959. The cubic root of 65503442 is about 403.1079597548.

Adding to 65503442 its reverse (24430556), we get a palindrome (89933998).

The spelling of 65503442 in words is "sixty-five million, five hundred three thousand, four hundred forty-two".