53551344 has 80 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 13908480.

The previous prime is 53551339. The next prime is 53551349. The reversal of 53551344 is 44315535.

It is an interprime number because it is at equal distance from previous prime (53551339) and next prime (53551349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53551349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3549 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (2156112).

Almost surely, 2^53551344 is an apocalyptic number.

It is an amenable number.

53551344 is an abundant number, since it is smaller than the sum of its proper divisors (118937616).

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

53551344 is a wasteful number, since it uses less digits than its factorization.

53551344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14518 (or 14512 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 53551344 is about 7317.8783810610. The cubic root of 53551344 is about 376.9266040187.

Adding to 53551344 its reverse (44315535), we get a palindrome (97866879).

The spelling of 53551344 in words is "fifty-three million, five hundred fifty-one thousand, three hundred forty-four".