52182340 has 48 divisors (see below), whose sum is σ = 128306304. Its totient is φ = 17452800.

The previous prime is 52182337. The next prime is 52182343. The reversal of 52182340 is 4328125.

It is an interprime number because it is at equal distance from previous prime (52182337) and next prime (52182343).

It is not an unprimeable number, because it can be changed into a prime (52182343) 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, 1195 + ... + 10285.

It is an arithmetic number, because the mean of its divisors is an integer number (2673048).

Almost surely, 2^52182340 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 52182340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64153152).

52182340 is an abundant number, since it is smaller than the sum of its proper divisors (76123964).

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

52182340 is a wasteful number, since it uses less digits than its factorization.

52182340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52182340 is about 7223.7344912448. The cubic root of 52182340 is about 373.6868798676.

The spelling of 52182340 in words is "fifty-two million, one hundred eighty-two thousand, three hundred forty".