52405859 has 16 divisors (see below), whose sum is σ = 58471296. Its totient is φ = 46569600.

The previous prime is 52405853. The next prime is 52405861. The reversal of 52405859 is 95850425.

It is a de Polignac number, because none of the positive numbers 2^k-52405859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52405853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155339 + ... + 155675.

It is an arithmetic number, because the mean of its divisors is an integer number (3654456).

Almost surely, 2^52405859 is an apocalyptic number.

52405859 is a deficient number, since it is larger than the sum of its proper divisors (6065437).

52405859 is a wasteful number, since it uses less digits than its factorization.

52405859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 52405859 is about 7239.1891120484. The cubic root of 52405859 is about 374.2196727721.

The spelling of 52405859 in words is "fifty-two million, four hundred five thousand, eight hundred fifty-nine".