48304981 has 4 divisors (see below), whose sum is σ = 49970700. Its totient is φ = 46639264.

The previous prime is 48304979. The next prime is 48304999. The reversal of 48304981 is 18940384.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37638225 + 10666756 = 6135^2 + 3266^2 .

It is a cyclic number.

It is not a de Polignac number, because 48304981 - 2¹ = 48304979 is a prime.

It is a super-2 number, since 2×48304981² = 4666742378820722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48304981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48304931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832816 + ... + 832873.

It is an arithmetic number, because the mean of its divisors is an integer number (12492675).

Almost surely, 2^48304981 is an apocalyptic number.

It is an amenable number.

48304981 is a deficient number, since it is larger than the sum of its proper divisors (1665719).

48304981 is a wasteful number, since it uses less digits than its factorization.

48304981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665718.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 48304981 is about 6950.1784869167. The cubic root of 48304981 is about 364.1921986427.

The spelling of 48304981 in words is "forty-eight million, three hundred four thousand, nine hundred eighty-one".