52368919 has 4 divisors (see below), whose sum is σ = 52412760. Its totient is φ = 52325080.

The previous prime is 52368917. The next prime is 52368923. The reversal of 52368919 is 91986325.

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 52368919 - 2¹ = 52368917 is a prime.

It is a super-2 number, since 2×52368919² = 5485007354457122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52368917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20077 + ... + 22534.

It is an arithmetic number, because the mean of its divisors is an integer number (13103190).

Almost surely, 2^52368919 is an apocalyptic number.

52368919 is a deficient number, since it is larger than the sum of its proper divisors (43841).

52368919 is a wasteful number, since it uses less digits than its factorization.

52368919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43840.

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

The square root of 52368919 is about 7236.6372715509. The cubic root of 52368919 is about 374.1317250740.

The spelling of 52368919 in words is "fifty-two million, three hundred sixty-eight thousand, nine hundred nineteen".