51248344248 has 112 divisors (see below), whose sum is σ = 144217371480. Its totient is φ = 17065318464.

The previous prime is 51248344247. The next prime is 51248344253. The reversal of 51248344248 is 84244384215.

51248344248 is a `hidden beast` number, since 5 + 124 + 83 + 442 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51248344243) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6510411 + ... + 6518277.

Almost surely, 2^51248344248 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 51248344248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72108685740).

51248344248 is an abundant number, since it is smaller than the sum of its proper divisors (92969027232).

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

51248344248 is a wasteful number, since it uses less digits than its factorization.

51248344248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008 (or 8989 counting only the distinct ones).

The product of its digits is 983040, while the sum is 45.

The spelling of 51248344248 in words is "fifty-one billion, two hundred forty-eight million, three hundred forty-four thousand, two hundred forty-eight".