52381699 has 4 divisors (see below), whose sum is σ = 52485120. Its totient is φ = 52278280.

The previous prime is 52381691. The next prime is 52381711. The reversal of 52381699 is 99618325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52381699 - 2³ = 52381691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52381691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50947 + ... + 51964.

It is an arithmetic number, because the mean of its divisors is an integer number (13121280).

Almost surely, 2^52381699 is an apocalyptic number.

52381699 is a deficient number, since it is larger than the sum of its proper divisors (103421).

52381699 is a wasteful number, since it uses less digits than its factorization.

52381699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103420.

The product of its digits is 116640, while the sum is 43.

The square root of 52381699 is about 7237.5202244968. The cubic root of 52381699 is about 374.1621567030.

The spelling of 52381699 in words is "fifty-two million, three hundred eighty-one thousand, six hundred ninety-nine".