52745280 has 224 divisors, whose sum is σ = 196632576. Its totient is φ = 11728896.

The previous prime is 52745267. The next prime is 52745293. The reversal of 52745280 is 8254725.

It is an interprime number because it is at equal distance from previous prime (52745267) and next prime (52745293).

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315757 + ... + 315923.

It is an arithmetic number, because the mean of its divisors is an integer number (877824).

Almost surely, 2^52745280 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 52745280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98316288).

52745280 is an abundant number, since it is smaller than the sum of its proper divisors (143887296).

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

52745280 is a wasteful number, since it uses less digits than its factorization.

52745280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 52745280 is about 7262.5945776974. The cubic root of 52745280 is about 375.0258471073.

The spelling of 52745280 in words is "fifty-two million, seven hundred forty-five thousand, two hundred eighty".