51448372 has 12 divisors (see below), whose sum is σ = 91733796. Its totient is φ = 25238720.

The previous prime is 51448367. The next prime is 51448373. The reversal of 51448372 is 27384415.

It can be written as a sum of positive squares in 2 ways, for example, as 45077796 + 6370576 = 6714^2 + 2524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51448373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121129 + ... + 121552.

It is an arithmetic number, because the mean of its divisors is an integer number (7644483).

Almost surely, 2^51448372 is an apocalyptic number.

It is an amenable number.

51448372 is a deficient number, since it is larger than the sum of its proper divisors (40285424).

51448372 is a wasteful number, since it uses less digits than its factorization.

51448372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242738 (or 242736 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 51448372 is about 7172.7520520369. The cubic root of 51448372 is about 371.9265762516.

The spelling of 51448372 in words is "fifty-one million, four hundred forty-eight thousand, three hundred seventy-two".