53173008 has 240 divisors, whose sum is σ = 188023680. Its totient is φ = 13676544.

The previous prime is 53173007. The next prime is 53173051. The reversal of 53173008 is 80037135.

It is not an unprimeable number, because it can be changed into a prime (53173007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496891 + ... + 496997.

It is an arithmetic number, because the mean of its divisors is an integer number (783432).

Almost surely, 2^53173008 is an apocalyptic number.

53173008 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53173008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94011840).

53173008 is an abundant number, since it is smaller than the sum of its proper divisors (134850672).

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

53173008 is a wasteful number, since it uses less digits than its factorization.

53173008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 53173008 is about 7291.9824464956. The cubic root of 53173008 is about 376.0368531857.

The spelling of 53173008 in words is "fifty-three million, one hundred seventy-three thousand, eight".