48731563 has 4 divisors (see below), whose sum is σ = 48750520. Its totient is φ = 48712608.

The previous prime is 48731531. The next prime is 48731633. The reversal of 48731563 is 36513784.

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

It is a cyclic number.

It is not a de Polignac number, because 48731563 - 2⁵ = 48731531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48738563) 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, 4878 + ... + 11011.

It is an arithmetic number, because the mean of its divisors is an integer number (12187630).

Almost surely, 2^48731563 is an apocalyptic number.

48731563 is a deficient number, since it is larger than the sum of its proper divisors (18957).

48731563 is a wasteful number, since it uses less digits than its factorization.

48731563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956.

The product of its digits is 60480, while the sum is 37.

The square root of 48731563 is about 6980.7995960348. The cubic root of 48731563 is about 365.2611204625.

It can be divided in two parts, 48731 and 563, that added together give a palindrome (49294).

The spelling of 48731563 in words is "forty-eight million, seven hundred thirty-one thousand, five hundred sixty-three".