53868442 has 8 divisors (see below), whose sum is σ = 80878356. Its totient is φ = 26908992.

The previous prime is 53868431. The next prime is 53868443. The reversal of 53868442 is 24486835.

It can be written as a sum of positive squares in 2 ways, for example, as 51710481 + 2157961 = 7191^2 + 1469^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53868395 and 53868404.

It is not an unprimeable number, because it can be changed into a prime (53868443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9823 + ... + 14290.

Almost surely, 2^53868442 is an apocalyptic number.

53868442 is a deficient number, since it is larger than the sum of its proper divisors (27009914).

53868442 is a wasteful number, since it uses less digits than its factorization.

53868442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25232.

The product of its digits is 184320, while the sum is 40.

The square root of 53868442 is about 7339.5123816232. The cubic root of 53868442 is about 377.6691159287.

The spelling of 53868442 in words is "fifty-three million, eight hundred sixty-eight thousand, four hundred forty-two".