53161056 has 96 divisors (see below), whose sum is σ = 167015520. Its totient is φ = 16353792.

The previous prime is 53161049. The next prime is 53161099. The reversal of 53161056 is 65016135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8866 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (1739745).

Almost surely, 2^53161056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53161056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83507760).

53161056 is an abundant number, since it is smaller than the sum of its proper divisors (113854464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53161056 is a wasteful number, since it uses less digits than its factorization.

53161056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 53161056 is about 7291.1628702149. The cubic root of 53161056 is about 376.0086764257.

The spelling of 53161056 in words is "fifty-three million, one hundred sixty-one thousand, fifty-six".