48643530 has 64 divisors (see below), whose sum is σ = 129161088. Its totient is φ = 11646720.

The previous prime is 48643523. The next prime is 48643531. The reversal of 48643530 is 3534684.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48643491 and 48643500.

It is not an unprimeable number, because it can be changed into a prime (48643531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12745 + ... + 16115.

It is an arithmetic number, because the mean of its divisors is an integer number (2018142).

Almost surely, 2^48643530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48643530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64580544).

48643530 is an abundant number, since it is smaller than the sum of its proper divisors (80517558).

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

48643530 is a wasteful number, since it uses less digits than its factorization.

48643530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 48643530 is about 6974.4913793050. The cubic root of 48643530 is about 365.0410412348.

The spelling of 48643530 in words is "forty-eight million, six hundred forty-three thousand, five hundred thirty".