48042981 has 48 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 26968032.

The previous prime is 48042919. The next prime is 48043027. The reversal of 48042981 is 18924084.

It is not a de Polignac number, because 48042981 - 2⁷ = 48042853 is a prime.

It is a super-2 number, since 2×48042981² = 4616256046732722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48042781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243775 + ... + 243971.

It is an arithmetic number, because the mean of its divisors is an integer number (1716000).

Almost surely, 2^48042981 is an apocalyptic number.

It is an amenable number.

48042981 is a deficient number, since it is larger than the sum of its proper divisors (34325019).

48042981 is a wasteful number, since it uses less digits than its factorization.

48042981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 48042981 is about 6931.3044226899. The cubic root of 48042981 is about 363.5325607332.

The spelling of 48042981 in words is "forty-eight million, forty-two thousand, nine hundred eighty-one".