65531232053 has 16 divisors (see below), whose sum is σ = 79365000960. Its totient is φ = 52909987200.

The previous prime is 65531232049. The next prime is 65531232083. The reversal of 65531232053 is 35023213556.

It is not a de Polignac number, because 65531232053 - 2² = 65531232049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65531232083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928433 + ... + 3945078.

It is an arithmetic number, because the mean of its divisors is an integer number (4960312560).

Almost surely, 2^65531232053 is an apocalyptic number.

It is an amenable number.

65531232053 is a deficient number, since it is larger than the sum of its proper divisors (13833768907).

65531232053 is a wasteful number, since it uses less digits than its factorization.

65531232053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873588.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 65531232053 in words is "sixty-five billion, five hundred thirty-one million, two hundred thirty-two thousand, fifty-three".