52361993 has 8 divisors (see below), whose sum is σ = 54384840. Its totient is φ = 50371200.

The previous prime is 52361987. The next prime is 52361999. The reversal of 52361993 is 39916325.

It is an interprime number because it is at equal distance from previous prime (52361987) and next prime (52361999).

It can be written as a sum of positive squares in 4 ways, for example, as 27331984 + 25030009 = 5228^2 + 5003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52361993 - 2²⁰ = 51313417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52361999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (6798105).

Almost surely, 2^52361993 is an apocalyptic number.

It is an amenable number.

52361993 is a deficient number, since it is larger than the sum of its proper divisors (2022847).

52361993 is a wasteful number, since it uses less digits than its factorization.

52361993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16027.

The product of its digits is 43740, while the sum is 38.

The square root of 52361993 is about 7236.1587185467. The cubic root of 52361993 is about 374.1152308721.

The spelling of 52361993 in words is "fifty-two million, three hundred sixty-one thousand, nine hundred ninety-three".