48383991 has 6 divisors (see below), whose sum is σ = 69888000. Its totient is φ = 32255988.

The previous prime is 48383981. The next prime is 48383999. The reversal of 48383991 is 19938384.

48383991 is a `hidden beast` number, since 483 + 83 + 9 + 91 = 666.

It is not a de Polignac number, because 48383991 - 2¹¹ = 48381943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48383999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2687991 + ... + 2688008.

It is an arithmetic number, because the mean of its divisors is an integer number (11648000).

Almost surely, 2^48383991 is an apocalyptic number.

48383991 is a deficient number, since it is larger than the sum of its proper divisors (21504009).

48383991 is a wasteful number, since it uses less digits than its factorization.

48383991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376005 (or 5376002 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 48383991 is about 6955.8601912344. The cubic root of 48383991 is about 364.3906540314.

The spelling of 48383991 in words is "forty-eight million, three hundred eighty-three thousand, nine hundred ninety-one".