52248546 has 96 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 14152320.

The previous prime is 52248541. The next prime is 52248557. The reversal of 52248546 is 64584225.

It is a happy number.

It is a super-2 number, since 2×52248546² = 5459821118228232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52248546.

It is not an unprimeable number, because it can be changed into a prime (52248541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288576 + ... + 288756.

It is an arithmetic number, because the mean of its divisors is an integer number (1419600).

Almost surely, 2^52248546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52248546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68140800).

52248546 is an abundant number, since it is smaller than the sum of its proper divisors (84033054).

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

52248546 is a wasteful number, since it uses less digits than its factorization.

52248546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 52248546 is about 7228.3155714177. The cubic root of 52248546 is about 373.8448506671.

The spelling of 52248546 in words is "fifty-two million, two hundred forty-eight thousand, five hundred forty-six".