51949848 has 64 divisors (see below), whose sum is σ = 134956800. Its totient is φ = 16652160.

The previous prime is 51949837. The next prime is 51949861. The reversal of 51949848 is 84894915.

It is a junction number, because it is equal to n+sod(n) for n = 51949797 and 51949806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72918 + ... + 73626.

It is an arithmetic number, because the mean of its divisors is an integer number (2108700).

Almost surely, 2^51949848 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 51949848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67478400).

51949848 is an abundant number, since it is smaller than the sum of its proper divisors (83006952).

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

51949848 is a wasteful number, since it uses less digits than its factorization.

51949848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 828 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 51949848 is about 7207.6242965349. The cubic root of 51949848 is about 373.1310816356.

The spelling of 51949848 in words is "fifty-one million, nine hundred forty-nine thousand, eight hundred forty-eight".