48807221 has 4 divisors (see below), whose sum is σ = 51678252. Its totient is φ = 45936192.

The previous prime is 48807217. The next prime is 48807233. The reversal of 48807221 is 12270884.

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 38316100 + 10491121 = 6190^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 48807221 - 2² = 48807217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48807211) 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, 1435490 + ... + 1435523.

It is an arithmetic number, because the mean of its divisors is an integer number (12919563).

Almost surely, 2^48807221 is an apocalyptic number.

It is an amenable number.

48807221 is a deficient number, since it is larger than the sum of its proper divisors (2871031).

48807221 is a wasteful number, since it uses less digits than its factorization.

48807221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871030.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 48807221 is about 6986.2165010827. The cubic root of 48807221 is about 365.4500509692.

The spelling of 48807221 in words is "forty-eight million, eight hundred seven thousand, two hundred twenty-one".