48821864 has 64 divisors (see below), whose sum is σ = 113568000. Its totient is φ = 19160064.

The previous prime is 48821837. The next prime is 48821867. The reversal of 48821864 is 46812884.

It is not an unprimeable number, because it can be changed into a prime (48821867) 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, 144704 + ... + 145040.

It is an arithmetic number, because the mean of its divisors is an integer number (1774500).

Almost surely, 2^48821864 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 48821864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56784000).

48821864 is an abundant number, since it is smaller than the sum of its proper divisors (64746136).

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

48821864 is a wasteful number, since it uses less digits than its factorization.

48821864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 558 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 48821864 is about 6987.2644146332. The cubic root of 48821864 is about 365.4865944008.

The spelling of 48821864 in words is "forty-eight million, eight hundred twenty-one thousand, eight hundred sixty-four".