47135853 has 12 divisors (see below), whose sum is σ = 68291548. Its totient is φ = 31328640.

The previous prime is 47135831. The next prime is 47135861. The reversal of 47135853 is 35853174.

47135853 is a `hidden beast` number, since 4 + 71 + 3 + 585 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 22155849 = 4998^2 + 4707^2 .

It is not a de Polignac number, because 47135853 - 2⁵ = 47135821 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 (47135813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4738 + ... + 10803.

Almost surely, 2^47135853 is an apocalyptic number.

It is an amenable number.

47135853 is a deficient number, since it is larger than the sum of its proper divisors (21155695).

47135853 is a wasteful number, since it uses less digits than its factorization.

47135853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15884 (or 15881 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 47135853 is about 6865.5555492618. Note that the first 4 decimals coincide. The cubic root of 47135853 is about 361.2299826474.

The spelling of 47135853 in words is "forty-seven million, one hundred thirty-five thousand, eight hundred fifty-three".