48718821 has 8 divisors (see below), whose sum is σ = 68779584. Its totient is φ = 30568640.

The previous prime is 48718801. The next prime is 48718823. The reversal of 48718821 is 12881784.

It is a happy number.

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 48718821 - 2¹⁸ = 48456677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48718821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48718823) 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, 477585 + ... + 477686.

It is an arithmetic number, because the mean of its divisors is an integer number (8597448).

Almost surely, 2^48718821 is an apocalyptic number.

It is an amenable number.

48718821 is a deficient number, since it is larger than the sum of its proper divisors (20060763).

48718821 is a wasteful number, since it uses less digits than its factorization.

48718821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955291.

The product of its digits is 28672, while the sum is 39.

The square root of 48718821 is about 6979.8868902010. The cubic root of 48718821 is about 365.2292823503.

The spelling of 48718821 in words is "forty-eight million, seven hundred eighteen thousand, eight hundred twenty-one".