48009493 has 4 divisors (see below), whose sum is σ = 54868000. Its totient is φ = 41150988.

The previous prime is 48009469. The next prime is 48009497. The reversal of 48009493 is 39490084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48009493 is a prime.

It is a super-2 number, since 2×48009493² = 4609822836234098, 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 (48009497) 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, 3429243 + ... + 3429256.

It is an arithmetic number, because the mean of its divisors is an integer number (13717000).

Almost surely, 2^48009493 is an apocalyptic number.

It is an amenable number.

48009493 is a deficient number, since it is larger than the sum of its proper divisors (6858507).

48009493 is an equidigital number, since it uses as much as digits as its factorization.

48009493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858506.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 48009493 is about 6928.8882946689. Note that the first 3 decimals coincide. The cubic root of 48009493 is about 363.4480752174.

The spelling of 48009493 in words is "forty-eight million, nine thousand, four hundred ninety-three".