52421863 has 8 divisors (see below), whose sum is σ = 59775408. Its totient is φ = 45542784.

The previous prime is 52421857. The next prime is 52421867. The reversal of 52421863 is 36812425.

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 52421863 - 2¹³ = 52413671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52421867) 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 7 ways as a sum of consecutive naturals, for example, 118381 + ... + 118822.

It is an arithmetic number, because the mean of its divisors is an integer number (7471926).

Almost surely, 2^52421863 is an apocalyptic number.

52421863 is a deficient number, since it is larger than the sum of its proper divisors (7353545).

52421863 is a wasteful number, since it uses less digits than its factorization.

52421863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237233.

The product of its digits is 11520, while the sum is 31.

The square root of 52421863 is about 7240.2944000918. The cubic root of 52421863 is about 374.2577626741.

The spelling of 52421863 in words is "fifty-two million, four hundred twenty-one thousand, eight hundred sixty-three".