52421355 has 24 divisors (see below), whose sum is σ = 103844832. Its totient is φ = 23963904.

The previous prime is 52421297. The next prime is 52421363. The reversal of 52421355 is 55312425.

It is a happy number.

52421355 is a `hidden beast` number, since 524 + 2 + 135 + 5 = 666.

It is not a de Polignac number, because 52421355 - 2¹¹ = 52419307 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 82894 + ... + 83523.

It is an arithmetic number, because the mean of its divisors is an integer number (4326868).

Almost surely, 2^52421355 is an apocalyptic number.

52421355 is a deficient number, since it is larger than the sum of its proper divisors (51423477).

52421355 is a wasteful number, since it uses less digits than its factorization.

52421355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166435 (or 166432 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52421355 is about 7240.2593185604. The cubic root of 52421355 is about 374.2565537411.

The spelling of 52421355 in words is "fifty-two million, four hundred twenty-one thousand, three hundred fifty-five".