52490448 has 60 divisors (see below), whose sum is σ = 148368480. Its totient is φ = 17322048.

The previous prime is 52490447. The next prime is 52490461. The reversal of 52490448 is 84409425.

52490448 is a `hidden beast` number, since 524 + 90 + 4 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52490447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13063 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (2472808).

Almost surely, 2^52490448 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 52490448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74184240).

52490448 is an abundant number, since it is smaller than the sum of its proper divisors (95878032).

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

52490448 is a wasteful number, since it uses less digits than its factorization.

52490448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 52490448 is about 7245.0291924878. The cubic root of 52490448 is about 374.4209088696.

The spelling of 52490448 in words is "fifty-two million, four hundred ninety thousand, four hundred forty-eight".