52161408 has 224 divisors, whose sum is σ = 171688440. Its totient is φ = 15676416.

The previous prime is 52161397. The next prime is 52161413. The reversal of 52161408 is 80416125.

52161408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1213035 + ... + 1213077.

Almost surely, 2^52161408 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 52161408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85844220).

52161408 is an abundant number, since it is smaller than the sum of its proper divisors (119527032).

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

52161408 is an equidigital number, since it uses as much as digits as its factorization.

52161408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52161408 is about 7222.2855108338. The cubic root of 52161408 is about 373.6369072786.

The spelling of 52161408 in words is "fifty-two million, one hundred sixty-one thousand, four hundred eight".