52355280 has 120 divisors (see below), whose sum is σ = 168444576. Its totient is φ = 13451520.

The previous prime is 52355267. The next prime is 52355287. The reversal of 52355280 is 8255325.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52355287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230527 + ... + 230753.

Almost surely, 2^52355280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52355280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84222288).

52355280 is an abundant number, since it is smaller than the sum of its proper divisors (116089296).

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

52355280 is a wasteful number, since it uses less digits than its factorization.

52355280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 52355280 is about 7235.6948526040. The cubic root of 52355280 is about 374.0992425395.

The spelling of 52355280 in words is "fifty-two million, three hundred fifty-five thousand, two hundred eighty".