48821945 has 8 divisors (see below), whose sum is σ = 58662144. Its totient is φ = 39007024.

The previous prime is 48821911. The next prime is 48821987. The reversal of 48821945 is 54912884.

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 48821945 - 2⁶ = 48821881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 10038.

It is an arithmetic number, because the mean of its divisors is an integer number (7332768).

Almost surely, 2^48821945 is an apocalyptic number.

It is an amenable number.

48821945 is a deficient number, since it is larger than the sum of its proper divisors (9840199).

48821945 is a wasteful number, since it uses less digits than its factorization.

48821945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12639.

The product of its digits is 92160, while the sum is 41.

The square root of 48821945 is about 6987.2702108907. The cubic root of 48821945 is about 365.4867965261.

The spelling of 48821945 in words is "forty-eight million, eight hundred twenty-one thousand, nine hundred forty-five".