52209480 has 64 divisors (see below), whose sum is σ = 159978240. Its totient is φ = 13624832.

The previous prime is 52209463. The next prime is 52209491. The reversal of 52209480 is 8490225.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (2499660).

Almost surely, 2^52209480 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 52209480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79989120).

52209480 is an abundant number, since it is smaller than the sum of its proper divisors (107768760).

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

52209480 is a wasteful number, since it uses less digits than its factorization.

52209480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52209480 is about 7225.6127767823. The cubic root of 52209480 is about 373.7516534045.

The spelling of 52209480 in words is "fifty-two million, two hundred nine thousand, four hundred eighty".