53531044 has 48 divisors (see below), whose sum is σ = 110613888. Its totient is φ = 22192128.

The previous prime is 53531041. The next prime is 53531047. The reversal of 53531044 is 44013535.

It is an interprime number because it is at equal distance from previous prime (53531041) and next prime (53531047).

It is not an unprimeable number, because it can be changed into a prime (53531041) 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, 208164 + ... + 208420.

It is an arithmetic number, because the mean of its divisors is an integer number (2304456).

Almost surely, 2^53531044 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 53531044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55306944).

53531044 is an abundant number, since it is smaller than the sum of its proper divisors (57082844).

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

53531044 is a wasteful number, since it uses less digits than its factorization.

53531044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53531044 is about 7316.4912355582. The cubic root of 53531044 is about 376.8789701248.

Adding to 53531044 its reverse (44013535), we get a palindrome (97544579).

The spelling of 53531044 in words is "fifty-three million, five hundred thirty-one thousand, forty-four".