52277280 has 96 divisors (see below), whose sum is σ = 179661888. Its totient is φ = 12672000.

The previous prime is 52277279. The next prime is 52277287. The reversal of 52277280 is 8277225.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52277287) 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, 330 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (1871478).

Almost surely, 2^52277280 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 52277280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89830944).

52277280 is an abundant number, since it is smaller than the sum of its proper divisors (127384608).

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

52277280 is a wasteful number, since it uses less digits than its factorization.

52277280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 52277280 is about 7230.3028982194. The cubic root of 52277280 is about 373.9133698902.

The spelling of 52277280 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred eighty".