53156544 has 56 divisors (see below), whose sum is σ = 160739328. Its totient is φ = 15187200.

The previous prime is 53156513. The next prime is 53156561. The reversal of 53156544 is 44565135.

It is a tau number, because it is divible by the number of its divisors (56).

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 7 ways as a sum of consecutive naturals, for example, 18432 + ... + 21119.

Almost surely, 2^53156544 is an apocalyptic number.

It is an amenable number.

53156544 is an abundant number, since it is smaller than the sum of its proper divisors (107582784).

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

53156544 is a wasteful number, since it uses less digits than its factorization.

53156544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39573 (or 39563 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 53156544 is about 7290.8534479854. The cubic root of 53156544 is about 375.9980383178.

It can be divided in two parts, 531 and 56544, that added together give a palindrome (57075).

The spelling of 53156544 in words is "fifty-three million, one hundred fifty-six thousand, five hundred forty-four".