48381570 has 128 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 12047616.

The previous prime is 48381569. The next prime is 48381583. The reversal of 48381570 is 7518384.

48381570 is a `hidden beast` number, since 4 + 8 + 3 + 81 + 570 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 289627 + ... + 289793.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^48381570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48381570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

48381570 is an abundant number, since it is smaller than the sum of its proper divisors (89512830).

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

48381570 is a wasteful number, since it uses less digits than its factorization.

48381570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 48381570 is about 6955.6861631330. The cubic root of 48381570 is about 364.3845762326.

The spelling of 48381570 in words is "forty-eight million, three hundred eighty-one thousand, five hundred seventy".