53551136 has 48 divisors (see below), whose sum is σ = 111847680. Its totient is φ = 25194240.

The previous prime is 53551123. The next prime is 53551151. The reversal of 53551136 is 63115535.

It is a junction number, because it is equal to n+sod(n) for n = 53551099 and 53551108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35975 + ... + 37433.

It is an arithmetic number, because the mean of its divisors is an integer number (2330160).

Almost surely, 2^53551136 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 53551136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55923840).

53551136 is an abundant number, since it is smaller than the sum of its proper divisors (58296544).

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

53551136 is a wasteful number, since it uses less digits than its factorization.

53551136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1529 counting only the distinct ones).

The product of its digits is 6750, while the sum is 29.

The square root of 53551136 is about 7317.8641692778. The cubic root of 53551136 is about 376.9261160083.

The spelling of 53551136 in words is "fifty-three million, five hundred fifty-one thousand, one hundred thirty-six".