48562981 has 4 divisors (see below), whose sum is σ = 49875532. Its totient is φ = 47250432.

The previous prime is 48562973. The next prime is 48563027. The reversal of 48562981 is 18926584.

It is a happy number.

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 30636225 + 17926756 = 5535^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 48562981 - 2³ = 48562973 is a prime.

It is a super-2 number, since 2×48562981² = 4716726247212722, 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 (48562951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656220 + ... + 656293.

It is an arithmetic number, because the mean of its divisors is an integer number (12468883).

Almost surely, 2^48562981 is an apocalyptic number.

It is an amenable number.

48562981 is a deficient number, since it is larger than the sum of its proper divisors (1312551).

48562981 is a wasteful number, since it uses less digits than its factorization.

48562981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312550.

The product of its digits is 138240, while the sum is 43.

The square root of 48562981 is about 6968.7144438555. The cubic root of 48562981 is about 364.8394389822.

The spelling of 48562981 in words is "forty-eight million, five hundred sixty-two thousand, nine hundred eighty-one".