48743981 has 16 divisors (see below), whose sum is σ = 60637248. Its totient is φ = 38496000.

The previous prime is 48743953. The next prime is 48743993. The reversal of 48743981 is 18934784.

It is a cyclic number.

It is not a de Polignac number, because 48743981 - 2⁶ = 48743917 is a prime.

It is a super-2 number, since 2×48743981² = 4751951367456722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48743951) 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, 7595 + ... + 12456.

It is an arithmetic number, because the mean of its divisors is an integer number (3789828).

Almost surely, 2^48743981 is an apocalyptic number.

It is an amenable number.

48743981 is a deficient number, since it is larger than the sum of its proper divisors (11893267).

48743981 is a wasteful number, since it uses less digits than its factorization.

48743981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092.

The product of its digits is 193536, while the sum is 44.

The square root of 48743981 is about 6981.6889790365. The cubic root of 48743981 is about 365.2921436645.

The spelling of 48743981 in words is "forty-eight million, seven hundred forty-three thousand, nine hundred eighty-one".