52405605 has 96 divisors (see below), whose sum is σ = 109714176. Its totient is φ = 22643712.

The previous prime is 52405601. The next prime is 52405609. The reversal of 52405605 is 50650425.

52405605 is a `hidden beast` number, since 52 + 4 + 0 + 5 + 605 = 666.

It is an interprime number because it is at equal distance from previous prime (52405601) and next prime (52405609).

It is not a de Polignac number, because 52405605 - 2² = 52405601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 717849 + ... + 717921.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^52405605 is an apocalyptic number.

It is an amenable number.

52405605 is an abundant number, since it is smaller than the sum of its proper divisors (57308571).

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

52405605 is a wasteful number, since it uses less digits than its factorization.

52405605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52405605 is about 7239.1715686258. The cubic root of 52405605 is about 374.2190681836.

The spelling of 52405605 in words is "fifty-two million, four hundred five thousand, six hundred five".