52787760 has 160 divisors (see below), whose sum is σ = 174417408. Its totient is φ = 13178880.

The previous prime is 52787723. The next prime is 52787767. The reversal of 52787760 is 6778725.

It is not an unprimeable number, because it can be changed into a prime (52787767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402895 + ... + 403025.

Almost surely, 2^52787760 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 52787760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87208704).

52787760 is an abundant number, since it is smaller than the sum of its proper divisors (121629648).

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

52787760 is a wasteful number, since it uses less digits than its factorization.

52787760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 52787760 is about 7265.5185637365. The cubic root of 52787760 is about 375.1264995451.

The spelling of 52787760 in words is "fifty-two million, seven hundred eighty-seven thousand, seven hundred sixty".