52211630 has 16 divisors (see below), whose sum is σ = 94456800. Its totient is φ = 20778912.

The previous prime is 52211617. The next prime is 52211681. The reversal of 52211630 is 3611225.

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, 11129 + ... + 15108.

It is an arithmetic number, because the mean of its divisors is an integer number (5903550).

Almost surely, 2^52211630 is an apocalyptic number.

52211630 is a deficient number, since it is larger than the sum of its proper divisors (42245170).

52211630 is a wasteful number, since it uses less digits than its factorization.

52211630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26443.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 52211630 is about 7225.7615515598. The cubic root of 52211630 is about 373.7567837309.

Adding to 52211630 its reverse (3611225), we get a palindrome (55822855).

The spelling of 52211630 in words is "fifty-two million, two hundred eleven thousand, six hundred thirty".