52405705 has 48 divisors (see below), whose sum is σ = 75075840. Its totient is φ = 34974720.

The previous prime is 52405699. The next prime is 52405723. The reversal of 52405705 is 50750425.

It is not a de Polignac number, because 52405705 - 2⁵ = 52405673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540217 + ... + 540313.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 2^52405705 is an apocalyptic number.

52405705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52405705 is a deficient number, since it is larger than the sum of its proper divisors (22670135).

52405705 is a wasteful number, since it uses less digits than its factorization.

52405705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 52405705 is about 7239.1784754902. The cubic root of 52405705 is about 374.2193062108.

The spelling of 52405705 in words is "fifty-two million, four hundred five thousand, seven hundred five".