52421066 has 8 divisors (see below), whose sum is σ = 78662340. Its totient is φ = 26200288.

The previous prime is 52421063. The next prime is 52421069. The reversal of 52421066 is 66012425.

It is an interprime number because it is at equal distance from previous prime (52421063) and next prime (52421069).

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 7812025 = 6679^2 + 2795^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52421063) 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, 7220 + ... + 12528.

Almost surely, 2^52421066 is an apocalyptic number.

52421066 is a deficient number, since it is larger than the sum of its proper divisors (26241274).

52421066 is a wasteful number, since it uses less digits than its factorization.

52421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52421066 is about 7240.2393606841. The cubic root of 52421066 is about 374.2558659785.

The spelling of 52421066 in words is "fifty-two million, four hundred twenty-one thousand, sixty-six".