48381890 has 8 divisors (see below), whose sum is σ = 87087420. Its totient is φ = 19352752.

The previous prime is 48381859. The next prime is 48381937. The reversal of 48381890 is 9818384.

It can be written as a sum of positive squares in 2 ways, for example, as 45252529 + 3129361 = 6727^2 + 1769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419085 + ... + 2419104.

Almost surely, 2^48381890 is an apocalyptic number.

48381890 is a deficient number, since it is larger than the sum of its proper divisors (38705530).

48381890 is a wasteful number, since it uses less digits than its factorization.

48381890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838196.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 48381890 is about 6955.7091658579. The cubic root of 48381890 is about 364.3853795881.

The spelling of 48381890 in words is "forty-eight million, three hundred eighty-one thousand, eight hundred ninety".