48321630 has 128 divisors (see below), whose sum is σ = 151464960. Its totient is φ = 10730880.

The previous prime is 48321619. The next prime is 48321631. The reversal of 48321630 is 3612384.

It is a happy number.

48321630 is a `hidden beast` number, since 4 + 8 + 3 + 21 + 630 = 666.

48321630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 48321594 and 48321603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48321631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69585 + ... + 70275.

It is an arithmetic number, because the mean of its divisors is an integer number (1183320).

Almost surely, 2^48321630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48321630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75732480).

48321630 is an abundant number, since it is smaller than the sum of its proper divisors (103143330).

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

48321630 is a wasteful number, since it uses less digits than its factorization.

48321630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 48321630 is about 6951.3761227544. The cubic root of 48321630 is about 364.2340351801.

The spelling of 48321630 in words is "forty-eight million, three hundred twenty-one thousand, six hundred thirty".