48582721 has 4 divisors (see below), whose sum is σ = 52999344. Its totient is φ = 44166100.

The previous prime is 48582713. The next prime is 48582749. The reversal of 48582721 is 12728584.

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 not a de Polignac number, because 48582721 - 2³ = 48582713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48582701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208295 + ... + 2208316.

It is an arithmetic number, because the mean of its divisors is an integer number (13249836).

Almost surely, 2^48582721 is an apocalyptic number.

It is an amenable number.

48582721 is a deficient number, since it is larger than the sum of its proper divisors (4416623).

48582721 is a wasteful number, since it uses less digits than its factorization.

48582721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416622.

The product of its digits is 35840, while the sum is 37.

The square root of 48582721 is about 6970.1306300528. The cubic root of 48582721 is about 364.8888658967. Note that the first 4 decimals are identical.

The spelling of 48582721 in words is "forty-eight million, five hundred eighty-two thousand, seven hundred twenty-one".