48117993 has 32 divisors (see below), whose sum is σ = 81208320. Its totient is φ = 24615360.

The previous prime is 48117977. The next prime is 48118027. The reversal of 48117993 is 39971184.

It is a happy number.

It is not a de Polignac number, because 48117993 - 2⁴ = 48117977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48117943) 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, 13923 + ... + 17031.

It is an arithmetic number, because the mean of its divisors is an integer number (2537760).

Almost surely, 2^48117993 is an apocalyptic number.

It is an amenable number.

48117993 is a deficient number, since it is larger than the sum of its proper divisors (33090327).

48117993 is a wasteful number, since it uses less digits than its factorization.

48117993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its digits is 54432, while the sum is 42.

The square root of 48117993 is about 6936.7134148673. The cubic root of 48117993 is about 363.7216631012.

The spelling of 48117993 in words is "forty-eight million, one hundred seventeen thousand, nine hundred ninety-three".