48009021 has 16 divisors (see below), whose sum is σ = 64995840. Its totient is φ = 31518000.

The previous prime is 48009019. The next prime is 48009023. The reversal of 48009021 is 12090084.

It is an interprime number because it is at equal distance from previous prime (48009019) and next prime (48009023).

It is not a de Polignac number, because 48009021 - 2¹ = 48009019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48008982 and 48009000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48009023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77250 + ... + 77868.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^48009021 is an apocalyptic number.

It is an amenable number.

48009021 is a deficient number, since it is larger than the sum of its proper divisors (16986819).

48009021 is a wasteful number, since it uses less digits than its factorization.

48009021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 48009021 is about 6928.8542342872. The cubic root of 48009021 is about 363.4468841471.

The spelling of 48009021 in words is "forty-eight million, nine thousand, twenty-one".