52555404 has 72 divisors (see below), whose sum is σ = 137277504. Its totient is φ = 15518400.

The previous prime is 52555397. The next prime is 52555409. The reversal of 52555404 is 40455525.

52555404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52555409) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 491119 + ... + 491225.

It is an arithmetic number, because the mean of its divisors is an integer number (1906632).

Almost surely, 2^52555404 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 52555404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68638752).

52555404 is an abundant number, since it is smaller than the sum of its proper divisors (84722100).

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

52555404 is a wasteful number, since it uses less digits than its factorization.

52555404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 52555404 is about 7249.5106041718. The cubic root of 52555404 is about 374.5752916201.

The spelling of 52555404 in words is "fifty-two million, five hundred fifty-five thousand, four hundred four".