48299421 has 4 divisors (see below), whose sum is σ = 64399232. Its totient is φ = 32199612.

The previous prime is 48299411. The next prime is 48299423. The reversal of 48299421 is 12499284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48299421 - 2⁹ = 48298909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48299421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48299423) 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, 8049901 + ... + 8049906.

It is an arithmetic number, because the mean of its divisors is an integer number (16099808).

Almost surely, 2^48299421 is an apocalyptic number.

It is an amenable number.

48299421 is a deficient number, since it is larger than the sum of its proper divisors (16099811).

48299421 is a wasteful number, since it uses less digits than its factorization.

48299421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099810.

The product of its digits is 41472, while the sum is 39.

The square root of 48299421 is about 6949.7784856785. The cubic root of 48299421 is about 364.1782250228.

The spelling of 48299421 in words is "forty-eight million, two hundred ninety-nine thousand, four hundred twenty-one".