48651381 has 16 divisors (see below), whose sum is σ = 75870400. Its totient is φ = 30726864.

The previous prime is 48651367. The next prime is 48651389. The reversal of 48651381 is 18315684.

It is not a de Polignac number, because 48651381 - 2⁵ = 48651349 is a prime.

It is a super-2 number, since 2×48651381² = 4733913746414322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48651389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46906 + ... + 47931.

It is an arithmetic number, because the mean of its divisors is an integer number (4741900).

Almost surely, 2^48651381 is an apocalyptic number.

It is an amenable number.

48651381 is a deficient number, since it is larger than the sum of its proper divisors (27219019).

48651381 is a wasteful number, since it uses less digits than its factorization.

48651381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94865 (or 94859 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 48651381 is about 6975.0541933379. The cubic root of 48651381 is about 365.0606792219.

The spelling of 48651381 in words is "forty-eight million, six hundred fifty-one thousand, three hundred eighty-one".