52742448 has 120 divisors (see below), whose sum is σ = 166569200. Its totient is φ = 15966720.

The previous prime is 52742419. The next prime is 52742471. The reversal of 52742448 is 84424725.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51768 + ... + 52776.

Almost surely, 2^52742448 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 52742448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83284600).

52742448 is an abundant number, since it is smaller than the sum of its proper divisors (113826752).

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

52742448 is a wasteful number, since it uses less digits than its factorization.

52742448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1025 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 52742448 is about 7262.3996034369. The cubic root of 52742448 is about 375.0191350236.

The spelling of 52742448 in words is "fifty-two million, seven hundred forty-two thousand, four hundred forty-eight".