48478231 has 4 divisors (see below), whose sum is σ = 48564000. Its totient is φ = 48392464.

The previous prime is 48478217. The next prime is 48478249. The reversal of 48478231 is 13287484.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48478231 - 2⁹ = 48477719 is a prime.

It is a super-2 number, since 2×48478231² = 4700277761778722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48478201) 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, 42031 + ... + 43168.

It is an arithmetic number, because the mean of its divisors is an integer number (12141000).

Almost surely, 2^48478231 is an apocalyptic number.

48478231 is a deficient number, since it is larger than the sum of its proper divisors (85769).

48478231 is an equidigital number, since it uses as much as digits as its factorization.

48478231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85768.

The product of its digits is 43008, while the sum is 37.

The square root of 48478231 is about 6962.6310400595. The cubic root of 48478231 is about 364.6270814340.

The spelling of 48478231 in words is "forty-eight million, four hundred seventy-eight thousand, two hundred thirty-one".