48168921 has 8 divisors (see below), whose sum is σ = 64687840. Its totient is φ = 31881312.

The previous prime is 48168917. The next prime is 48168929. The reversal of 48168921 is 12986184.

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

It is not a de Polignac number, because 48168921 - 2² = 48168917 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 48168921.

It is not an unprimeable number, because it can be changed into a prime (48168929) 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, 57340 + ... + 58173.

It is an arithmetic number, because the mean of its divisors is an integer number (8085980).

Almost surely, 2^48168921 is an apocalyptic number.

It is an amenable number.

48168921 is a deficient number, since it is larger than the sum of its proper divisors (16518919).

48168921 is a wasteful number, since it uses less digits than its factorization.

48168921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115655.

The product of its digits is 27648, while the sum is 39.

The square root of 48168921 is about 6940.3833467612. The cubic root of 48168921 is about 363.8499386479.

The spelling of 48168921 in words is "forty-eight million, one hundred sixty-eight thousand, nine hundred twenty-one".