65642054 has 4 divisors (see below), whose sum is σ = 98463084. Its totient is φ = 32821026.

The previous prime is 65642053. The next prime is 65642077. The reversal of 65642054 is 45024656.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65642054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65642053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16410512 + ... + 16410515.

It is an arithmetic number, because the mean of its divisors is an integer number (24615771).

Almost surely, 2^65642054 is an apocalyptic number.

65642054 is a deficient number, since it is larger than the sum of its proper divisors (32821030).

65642054 is a wasteful number, since it uses less digits than its factorization.

65642054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32821029.

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

The square root of 65642054 is about 8101.9784003662. The cubic root of 65642054 is about 403.3920986858.

The spelling of 65642054 in words is "sixty-five million, six hundred forty-two thousand, fifty-four".