48001421 has 8 divisors (see below), whose sum is σ = 54734904. Its totient is φ = 41702400.

The previous prime is 48001403. The next prime is 48001439. The reversal of 48001421 is 12410084.

It is an interprime number because it is at equal distance from previous prime (48001403) and next prime (48001439).

It can be written as a sum of positive squares in 4 ways, for example, as 45796 + 47955625 = 214^2 + 6925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48001421 - 2⁶ = 48001357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48001393 and 48001402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48001721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108380 + ... + 108821.

It is an arithmetic number, because the mean of its divisors is an integer number (6841863).

Almost surely, 2^48001421 is an apocalyptic number.

It is an amenable number.

48001421 is a deficient number, since it is larger than the sum of its proper divisors (6733483).

48001421 is a wasteful number, since it uses less digits than its factorization.

48001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217231.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 48001421 is about 6928.3057813581. The cubic root of 48001421 is about 363.4277048204.

The spelling of 48001421 in words is "forty-eight million, one thousand, four hundred twenty-one".