48440993 has 4 divisors (see below), whose sum is σ = 49355028. Its totient is φ = 47526960.

The previous prime is 48440981. The next prime is 48440999. The reversal of 48440993 is 39904484.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27583504 + 20857489 = 5252^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 48440993 - 2¹² = 48436897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48440993.

It is not an unprimeable number, because it can be changed into a prime (48440999) 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, 456938 + ... + 457043.

It is an arithmetic number, because the mean of its divisors is an integer number (12338757).

Almost surely, 2^48440993 is an apocalyptic number.

It is an amenable number.

48440993 is a deficient number, since it is larger than the sum of its proper divisors (914035).

48440993 is an equidigital number, since it uses as much as digits as its factorization.

48440993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914034.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 48440993 is about 6959.9563935416. The cubic root of 48440993 is about 364.5336961415.

The spelling of 48440993 in words is "forty-eight million, four hundred forty thousand, nine hundred ninety-three".