53565020435631 has 8 divisors (see below), whose sum is σ = 71635797723904. Its totient is φ = 35602128385560.

The previous prime is 53565020435627. The next prime is 53565020435639. The reversal of 53565020435631 is 13653402056535.

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

It is not a de Polignac number, because 53565020435631 - 2² = 53565020435627 is a prime.

It is a super-2 number, since 2×53565020435631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53565020435639) 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, 26971308391 + ... + 26971310376.

It is an arithmetic number, because the mean of its divisors is an integer number (8954474715488).

Almost surely, 2^{53565020435631} is an apocalyptic number.

53565020435631 is a deficient number, since it is larger than the sum of its proper divisors (18070777288273).

53565020435631 is a wasteful number, since it uses less digits than its factorization.

53565020435631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53942619101.

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 53565020435631 in words is "fifty-three trillion, five hundred sixty-five billion, twenty million, four hundred thirty-five thousand, six hundred thirty-one".