51448908 has 48 divisors (see below), whose sum is σ = 138951680. Its totient is φ = 14511744.

The previous prime is 51448889. The next prime is 51448909. The reversal of 51448908 is 80984415.

It is not an unprimeable number, because it can be changed into a prime (51448909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 10512.

Almost surely, 2^51448908 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 51448908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69475840).

51448908 is an abundant number, since it is smaller than the sum of its proper divisors (87502772).

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

51448908 is a wasteful number, since it uses less digits than its factorization.

51448908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846 (or 7844 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 51448908 is about 7172.7894155621. The cubic root of 51448908 is about 371.9278678503.

The spelling of 51448908 in words is "fifty-one million, four hundred forty-eight thousand, nine hundred eight".