52449630 has 32 divisors (see below), whose sum is σ = 127947168. Its totient is φ = 13756800.

The previous prime is 52449629. The next prime is 52449647. The reversal of 52449630 is 3694425.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52449591 and 52449600.

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 15 ways as a sum of consecutive naturals, for example, 12501 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (3998349).

Almost surely, 2^52449630 is an apocalyptic number.

52449630 is an abundant number, since it is smaller than the sum of its proper divisors (75497538).

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

52449630 is a wasteful number, since it uses less digits than its factorization.

52449630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28732.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 52449630 is about 7242.2116787622. The cubic root of 52449630 is about 374.3238304075.

The spelling of 52449630 in words is "fifty-two million, four hundred forty-nine thousand, six hundred thirty".