53506044 has 72 divisors (see below), whose sum is σ = 142702560. Its totient is φ = 16877952.

The previous prime is 53506043. The next prime is 53506051. The reversal of 53506044 is 44060535.

53506044 is a `hidden beast` number, since 5 + 3 + 50 + 604 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53505999 and 53506017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54849 + ... + 55815.

It is an arithmetic number, because the mean of its divisors is an integer number (1981980).

Almost surely, 2^53506044 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 53506044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71351280).

53506044 is an abundant number, since it is smaller than the sum of its proper divisors (89196516).

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

53506044 is a wasteful number, since it uses less digits than its factorization.

53506044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53506044 is about 7314.7825668300. The cubic root of 53506044 is about 376.8202911436.

Adding to 53506044 its reverse (44060535), we get a palindrome (97566579).

The spelling of 53506044 in words is "fifty-three million, five hundred six thousand, forty-four".