65500542 has 16 divisors (see below), whose sum is σ = 145556880. Its totient is φ = 21833496.

The previous prime is 65500537. The next prime is 65500577. The reversal of 65500542 is 24500556.

65500542 is a `hidden beast` number, since 655 + 0 + 0 + 5 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606433 + ... + 606540.

It is an arithmetic number, because the mean of its divisors is an integer number (9097305).

Almost surely, 2^65500542 is an apocalyptic number.

65500542 is an abundant number, since it is smaller than the sum of its proper divisors (80056338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65500542 is a wasteful number, since it uses less digits than its factorization.

65500542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212984 (or 1212978 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 65500542 is about 8093.2405129219. The cubic root of 65500542 is about 403.1020108037.

The spelling of 65500542 in words is "sixty-five million, five hundred thousand, five hundred forty-two".