52780176 has 120 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 16416000.

The previous prime is 52780171. The next prime is 52780181. The reversal of 52780176 is 67108725.

It is an interprime number because it is at equal distance from previous prime (52780171) and next prime (52780181).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52780176.

It is not an unprimeable number, because it can be changed into a prime (52780171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276241 + ... + 276431.

It is an arithmetic number, because the mean of its divisors is an integer number (1315392).

Almost surely, 2^52780176 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 52780176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78923520).

52780176 is an abundant number, since it is smaller than the sum of its proper divisors (105066864).

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

52780176 is a wasteful number, since it uses less digits than its factorization.

52780176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 52780176 is about 7264.9966276661. The cubic root of 52780176 is about 375.1085339180.

The spelling of 52780176 in words is "fifty-two million, seven hundred eighty thousand, one hundred seventy-six".