53421006 has 16 divisors (see below), whose sum is σ = 106913664. Its totient is φ = 17795064.

The previous prime is 53420963. The next prime is 53421013. The reversal of 53421006 is 60012435.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15885 + ... + 18951.

It is an arithmetic number, because the mean of its divisors is an integer number (6682104).

Almost surely, 2^53421006 is an apocalyptic number.

53421006 is an abundant number, since it is smaller than the sum of its proper divisors (53492658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53421006 is a wasteful number, since it uses less digits than its factorization.

53421006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53421006 is about 7308.9675057425. The cubic root of 53421006 is about 376.6205564809.

The spelling of 53421006 in words is "fifty-three million, four hundred twenty-one thousand, six".