65543902 has 4 divisors (see below), whose sum is σ = 98315856. Its totient is φ = 32771950.

The previous prime is 65543899. The next prime is 65543903. The reversal of 65543902 is 20934556.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65543903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16385974 + ... + 16385977.

It is an arithmetic number, because the mean of its divisors is an integer number (24578964).

Almost surely, 2^65543902 is an apocalyptic number.

65543902 is a deficient number, since it is larger than the sum of its proper divisors (32771954).

65543902 is a wasteful number, since it uses less digits than its factorization.

65543902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32771953.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 65543902 is about 8095.9188484075. The cubic root of 65543902 is about 403.1909395732.

The spelling of 65543902 in words is "sixty-five million, five hundred forty-three thousand, nine hundred two".