51448452 has 24 divisors (see below), whose sum is σ = 130960032. Its totient is φ = 15590400.

The previous prime is 51448451. The next prime is 51448457. The reversal of 51448452 is 25484415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51448451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194749 + ... + 195012.

It is an arithmetic number, because the mean of its divisors is an integer number (5456668).

Almost surely, 2^51448452 is an apocalyptic number.

It is an amenable number.

51448452 is an abundant number, since it is smaller than the sum of its proper divisors (79511580).

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

51448452 is a wasteful number, since it uses less digits than its factorization.

51448452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389779 (or 389777 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 51448452 is about 7172.7576286948. The cubic root of 51448452 is about 371.9267690281.

The spelling of 51448452 in words is "fifty-one million, four hundred forty-eight thousand, four hundred fifty-two".