47506853 has 4 divisors (see below), whose sum is σ = 48790860. Its totient is φ = 46222848.

The previous prime is 47506847. The next prime is 47506883. The reversal of 47506853 is 35860574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35860574 = 2 ⋅17930287.

It can be written as a sum of positive squares in 2 ways, for example, as 38464804 + 9042049 = 6202^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 47506853 - 2¹⁸ = 47244709 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 (47506813) 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, 641948 + ... + 642021.

It is an arithmetic number, because the mean of its divisors is an integer number (12197715).

Almost surely, 2^47506853 is an apocalyptic number.

It is an amenable number.

47506853 is a deficient number, since it is larger than the sum of its proper divisors (1284007).

47506853 is a wasteful number, since it uses less digits than its factorization.

47506853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284006.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 47506853 is about 6892.5215269885. The cubic root of 47506853 is about 362.1752379490.

The spelling of 47506853 in words is "forty-seven million, five hundred six thousand, eight hundred fifty-three".