47448853 has 4 divisors (see below), whose sum is σ = 50239980. Its totient is φ = 44657728.

The previous prime is 47448847. The next prime is 47448923. The reversal of 47448853 is 35884474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35884474 = 2 ⋅17942237.

It can be written as a sum of positive squares in 2 ways, for example, as 43996689 + 3452164 = 6633^2 + 1858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47448853 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 (47448253) 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, 1395538 + ... + 1395571.

It is an arithmetic number, because the mean of its divisors is an integer number (12559995).

Almost surely, 2^47448853 is an apocalyptic number.

It is an amenable number.

47448853 is a deficient number, since it is larger than the sum of its proper divisors (2791127).

47448853 is a wasteful number, since it uses less digits than its factorization.

47448853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791126.

The product of its digits is 430080, while the sum is 43.

The square root of 47448853 is about 6888.3127832583. The cubic root of 47448853 is about 362.0277875152.

It can be divided in two parts, 47 and 448853, that added together give a square (448900 = 670²).

The spelling of 47448853 in words is "forty-seven million, four hundred forty-eight thousand, eight hundred fifty-three".