52211313 has 72 divisors (see below), whose sum is σ = 98167680. Its totient is φ = 26429760.

The previous prime is 52211287. The next prime is 52211321. The reversal of 52211313 is 31311225.

It is not a de Polignac number, because 52211313 - 2⁹ = 52210801 is a prime.

It is a super-4 number, since 4×52211313⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (52211113) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 227883 + ... + 228111.

It is an arithmetic number, because the mean of its divisors is an integer number (1363440).

Almost surely, 2^52211313 is an apocalyptic number.

It is an amenable number.

52211313 is a deficient number, since it is larger than the sum of its proper divisors (45956367).

52211313 is a wasteful number, since it uses less digits than its factorization.

52211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 297 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 52211313 is about 7225.7396161224. The cubic root of 52211313 is about 373.7560273149.

Adding to 52211313 its reverse (31311225), we get a palindrome (83522538).

The spelling of 52211313 in words is "fifty-two million, two hundred eleven thousand, three hundred thirteen".