52630406 has 8 divisors (see below), whose sum is σ = 79402464. Its totient is φ = 26162920.

The previous prime is 52630397. The next prime is 52630423. The reversal of 52630406 is 60403625.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75710 + ... + 76401.

It is an arithmetic number, because the mean of its divisors is an integer number (9925308).

Almost surely, 2^52630406 is an apocalyptic number.

52630406 is a deficient number, since it is larger than the sum of its proper divisors (26772058).

52630406 is a wasteful number, since it uses less digits than its factorization.

52630406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152286.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 52630406 is about 7254.6816608312. The cubic root of 52630406 is about 374.7533928249.

The spelling of 52630406 in words is "fifty-two million, six hundred thirty thousand, four hundred six".