51752448 has 120 divisors (see below), whose sum is σ = 163098936. Its totient is φ = 15667200.

The previous prime is 51752429. The next prime is 51752483. The reversal of 51752448 is 84425715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50178 + ... + 51198.

Almost surely, 2^51752448 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 51752448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81549468).

51752448 is an abundant number, since it is smaller than the sum of its proper divisors (111346488).

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

51752448 is a wasteful number, since it uses less digits than its factorization.

51752448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1037 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 51752448 is about 7193.9174307188. The cubic root of 51752448 is about 372.6578716133.

The spelling of 51752448 in words is "fifty-one million, seven hundred fifty-two thousand, four hundred forty-eight".