48388021 has 12 divisors (see below), whose sum is σ = 55502496. Its totient is φ = 42074120.

The previous prime is 48388019. The next prime is 48388049. The reversal of 48388021 is 12088384.

It is not a de Polignac number, because 48388021 - 2¹ = 48388019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48388121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5911 + ... + 11476.

It is an arithmetic number, because the mean of its divisors is an integer number (4625208).

Almost surely, 2^48388021 is an apocalyptic number.

It is an amenable number.

48388021 is a deficient number, since it is larger than the sum of its proper divisors (7114475).

48388021 is a wasteful number, since it uses less digits than its factorization.

48388021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432 (or 17421 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 48388021 is about 6956.1498690008. The cubic root of 48388021 is about 364.4007706942.

The spelling of 48388021 in words is "forty-eight million, three hundred eighty-eight thousand, twenty-one".