51541248 has 72 divisors (see below), whose sum is σ = 149669856. Its totient is φ = 15616000.

The previous prime is 51541247. The next prime is 51541249. The reversal of 51541248 is 84214515.

It is an interprime number because it is at equal distance from previous prime (51541247) and next prime (51541249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51541247) 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, 5398 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (2078748).

Almost surely, 2^51541248 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 51541248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74834928).

51541248 is an abundant number, since it is smaller than the sum of its proper divisors (98128608).

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

51541248 is a wasteful number, since it uses less digits than its factorization.

51541248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131 (or 6117 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 51541248 is about 7179.2233563248. The cubic root of 51541248 is about 372.1502457035.

The spelling of 51541248 in words is "fifty-one million, five hundred forty-one thousand, two hundred forty-eight".