48512421 has 24 divisors (see below), whose sum is σ = 71731296. Its totient is φ = 31586400.

The previous prime is 48512417. The next prime is 48512449. The reversal of 48512421 is 12421584.

It is not a de Polignac number, because 48512421 - 2² = 48512417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48514421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75126 + ... + 75768.

It is an arithmetic number, because the mean of its divisors is an integer number (2988804).

Almost surely, 2^48512421 is an apocalyptic number.

It is an amenable number.

48512421 is a deficient number, since it is larger than the sum of its proper divisors (23218875).

48512421 is a wasteful number, since it uses less digits than its factorization.

48512421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 830 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 48512421 is about 6965.0858573316. The cubic root of 48512421 is about 364.7127808641.

The spelling of 48512421 in words is "forty-eight million, five hundred twelve thousand, four hundred twenty-one".