48188921 has 16 divisors (see below), whose sum is σ = 55930560. Its totient is φ = 41057280.

The previous prime is 48188893. The next prime is 48188947. The reversal of 48188921 is 12988184.

It is not a de Polignac number, because 48188921 - 2⁶ = 48188857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48188321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19085 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (3495660).

Almost surely, 2^48188921 is an apocalyptic number.

It is an amenable number.

48188921 is a deficient number, since it is larger than the sum of its proper divisors (7741639).

48188921 is a wasteful number, since it uses less digits than its factorization.

48188921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504.

The product of its digits is 36864, while the sum is 41.

The square root of 48188921 is about 6941.8240398328. The cubic root of 48188921 is about 363.9002891762.

The spelling of 48188921 in words is "forty-eight million, one hundred eighty-eight thousand, nine hundred twenty-one".