48720231 has 32 divisors (see below), whose sum is σ = 84730880. Its totient is φ = 27083808.

The previous prime is 48720209. The next prime is 48720239. The reversal of 48720231 is 13202784.

It is not a de Polignac number, because 48720231 - 2⁷ = 48720103 is a prime.

It is a super-2 number, since 2×48720231² = 4747321817386722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48720195 and 48720204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48720239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3510 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (2647840).

Almost surely, 2^48720231 is an apocalyptic number.

48720231 is a deficient number, since it is larger than the sum of its proper divisors (36010649).

48720231 is a wasteful number, since it uses less digits than its factorization.

48720231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020 (or 7014 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 48720231 is about 6979.9878939723. The cubic root of 48720231 is about 365.2328057547.

The spelling of 48720231 in words is "forty-eight million, seven hundred twenty thousand, two hundred thirty-one".