48691573 has 4 divisors (see below), whose sum is σ = 55647520. Its totient is φ = 41735628.

The previous prime is 48691549. The next prime is 48691613. The reversal of 48691573 is 37519684.

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 not a de Polignac number, because 48691573 - 2⁵ = 48691541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48691543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477963 + ... + 3477976.

It is an arithmetic number, because the mean of its divisors is an integer number (13911880).

Almost surely, 2^48691573 is an apocalyptic number.

It is an amenable number.

48691573 is a deficient number, since it is larger than the sum of its proper divisors (6955947).

48691573 is an equidigital number, since it uses as much as digits as its factorization.

48691573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955946.

The product of its digits is 181440, while the sum is 43.

The square root of 48691573 is about 6977.9347231111. The cubic root of 48691573 is about 365.1611798308.

The spelling of 48691573 in words is "forty-eight million, six hundred ninety-one thousand, five hundred seventy-three".