53161535 has 8 divisors (see below), whose sum is σ = 72907296. Its totient is φ = 36453600.

The previous prime is 53161517. The next prime is 53161541. The reversal of 53161535 is 53516135.

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

It is a de Polignac number, because none of the positive numbers 2^k-53161535 is a prime.

It is a super-2 number, since 2×53161535² = 5652297607112450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53161498 and 53161507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759416 + ... + 759485.

It is an arithmetic number, because the mean of its divisors is an integer number (9113412).

Almost surely, 2^53161535 is an apocalyptic number.

53161535 is a deficient number, since it is larger than the sum of its proper divisors (19745761).

53161535 is a wasteful number, since it uses less digits than its factorization.

53161535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518913.

The product of its digits is 6750, while the sum is 29.

The square root of 53161535 is about 7291.1957181247. The cubic root of 53161535 is about 376.0098057462.

The spelling of 53161535 in words is "fifty-three million, one hundred sixty-one thousand, five hundred thirty-five".