53665252061 has 8 divisors (see below), whose sum is σ = 56832404544. Its totient is φ = 50499252160.

The previous prime is 53665252049. The next prime is 53665252087. The reversal of 53665252061 is 16025256635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53665252061 - 2¹⁰ = 53665251037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53665254061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191345 + ... + 379398.

It is an arithmetic number, because the mean of its divisors is an integer number (7104050568).

Almost surely, 2^53665252061 is an apocalyptic number.

It is an amenable number.

53665252061 is a deficient number, since it is larger than the sum of its proper divisors (3167152483).

53665252061 is a wasteful number, since it uses less digits than its factorization.

53665252061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576291.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 53665252061 in words is "fifty-three billion, six hundred sixty-five million, two hundred fifty-two thousand, sixty-one".