53505205155231 has 8 divisors (see below), whose sum is σ = 71443515617664. Its totient is φ = 35618515731480.

The previous prime is 53505205155223. The next prime is 53505205155247. The reversal of 53505205155231 is 13255150250535.

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

It is not a de Polignac number, because 53505205155231 - 2³ = 53505205155223 is a prime.

It is a super-2 number, since 2×53505205155231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505205155931) 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, 12905257251 + ... + 12905261396.

It is an arithmetic number, because the mean of its divisors is an integer number (8930439452208).

Almost surely, 2^{53505205155231} is an apocalyptic number.

53505205155231 is a deficient number, since it is larger than the sum of its proper divisors (17938310462433).

53505205155231 is a wasteful number, since it uses less digits than its factorization.

53505205155231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25810519341.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 53505205155231 in words is "fifty-three trillion, five hundred five billion, two hundred five million, one hundred fifty-five thousand, two hundred thirty-one".