52211280 has 80 divisors (see below), whose sum is σ = 176577984. Its totient is φ = 12656640.

The previous prime is 52211273. The next prime is 52211287. The reversal of 52211280 is 8211225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52211273) and next prime (52211287).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52211287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7249 + ... + 12528.

Almost surely, 2^52211280 is an apocalyptic number.

It is an amenable number.

52211280 is an abundant number, since it is smaller than the sum of its proper divisors (124366704).

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

52211280 is a wasteful number, since it uses less digits than its factorization.

52211280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804 (or 19798 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 52211280 is about 7225.7373326187. The cubic root of 52211280 is about 373.7559485711.

The spelling of 52211280 in words is "fifty-two million, two hundred eleven thousand, two hundred eighty".