53611008 has 160 divisors (see below), whose sum is σ = 164989440. Its totient is φ = 15298560.

The previous prime is 53611007. The next prime is 53611021. The reversal of 53611008 is 80011635.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53611007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 320941 + ... + 321107.

It is an arithmetic number, because the mean of its divisors is an integer number (1031184).

Almost surely, 2^53611008 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 53611008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82494720).

53611008 is an abundant number, since it is smaller than the sum of its proper divisors (111378432).

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

53611008 is a wasteful number, since it uses less digits than its factorization.

53611008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 53611008 is about 7321.9538376037. The cubic root of 53611008 is about 377.0665357826.

The spelling of 53611008 in words is "fifty-three million, six hundred eleven thousand, eight".