48685590 has 32 divisors (see below), whose sum is σ = 129828960. Its totient is φ = 12982752.

The previous prime is 48685579. The next prime is 48685591. The reversal of 48685590 is 9558684.

48685590 is a `hidden beast` number, since 486 + 85 + 5 + 90 = 666.

48685590 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 (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48685591) 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 15 ways as a sum of consecutive naturals, for example, 89889 + ... + 90428.

It is an arithmetic number, because the mean of its divisors is an integer number (4057155).

Almost surely, 2^48685590 is an apocalyptic number.

48685590 is an abundant number, since it is smaller than the sum of its proper divisors (81143370).

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

48685590 is a wasteful number, since it uses less digits than its factorization.

48685590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180333 (or 180327 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 48685590 is about 6977.5060014306. The cubic root of 48685590 is about 365.1462227674.

The spelling of 48685590 in words is "forty-eight million, six hundred eighty-five thousand, five hundred ninety".