48630181 has 4 divisors (see below), whose sum is σ = 48670732. Its totient is φ = 48589632.

The previous prime is 48630163. The next prime is 48630199. The reversal of 48630181 is 18103684.

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

It is an interprime number because it is at equal distance from previous prime (48630163) and next prime (48630199).

It can be written as a sum of positive squares in 2 ways, for example, as 33930625 + 14699556 = 5825^2 + 3834^2 .

It is a cyclic number.

It is not a de Polignac number, because 48630181 - 2¹⁷ = 48499109 is a prime.

It is a super-3 number, since 3×48630181³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48630121) 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, 18420 + ... + 20893.

It is an arithmetic number, because the mean of its divisors is an integer number (12167683).

Almost surely, 2^48630181 is an apocalyptic number.

It is an amenable number.

48630181 is a deficient number, since it is larger than the sum of its proper divisors (40551).

48630181 is a wasteful number, since it uses less digits than its factorization.

48630181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40550.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 48630181 is about 6973.5343262939. The cubic root of 48630181 is about 365.0076460524.

The spelling of 48630181 in words is "forty-eight million, six hundred thirty thousand, one hundred eighty-one".