52277232 has 80 divisors (see below), whose sum is σ = 155482112. Its totient is φ = 14826240.

The previous prime is 52277231. The next prime is 52277237. The reversal of 52277232 is 23277225.

It is a self number, because there is not a number n which added to its sum of digits gives 52277232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52277231) 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, 52257 + ... + 53247.

Almost surely, 2^52277232 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 52277232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77741056).

52277232 is an abundant number, since it is smaller than the sum of its proper divisors (103204880).

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

52277232 is a wasteful number, since it uses less digits than its factorization.

52277232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1160 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 52277232 is about 7230.2995788556. The cubic root of 52277232 is about 373.9132554501.

The spelling of 52277232 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred thirty-two".