53117556 has 48 divisors (see below), whose sum is σ = 127615488. Its totient is φ = 17186400.

The previous prime is 53117551. The next prime is 53117569. The reversal of 53117556 is 65571135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53117551) by changing a digit.

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, 160311 + ... + 160641.

It is an arithmetic number, because the mean of its divisors is an integer number (2658656).

Almost surely, 2^53117556 is an apocalyptic number.

It is an amenable number.

53117556 is an abundant number, since it is smaller than the sum of its proper divisors (74497932).

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

53117556 is a wasteful number, since it uses less digits than its factorization.

53117556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its digits is 15750, while the sum is 33.

The square root of 53117556 is about 7288.1791964797. The cubic root of 53117556 is about 375.9060897957.

The spelling of 53117556 in words is "fifty-three million, one hundred seventeen thousand, five hundred fifty-six".