48569281 has 4 divisors (see below), whose sum is σ = 50136064. Its totient is φ = 47002500.

The previous prime is 48569267. The next prime is 48569291. The reversal of 48569281 is 18296584.

It is a happy number.

48569281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48569281 - 2⁵ = 48569249 is a prime.

It is a super-2 number, since 2×48569281² = 4717950113713922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48569251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783345 + ... + 783406.

It is an arithmetic number, because the mean of its divisors is an integer number (12534016).

Almost surely, 2^48569281 is an apocalyptic number.

It is an amenable number.

48569281 is a deficient number, since it is larger than the sum of its proper divisors (1566783).

48569281 is a wasteful number, since it uses less digits than its factorization.

48569281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566782.

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

The square root of 48569281 is about 6969.1664494400. The cubic root of 48569281 is about 364.8552149844.

The spelling of 48569281 in words is "forty-eight million, five hundred sixty-nine thousand, two hundred eighty-one".