47725533 has 6 divisors (see below), whose sum is σ = 68936894. Its totient is φ = 31817016.

The previous prime is 47725501. The next prime is 47725543. The reversal of 47725533 is 33552774.

It can be written as a sum of positive squares in only one way, i.e., 47361924 + 363609 = 6882^2 + 603^2 .

It is not a de Polignac number, because 47725533 - 2⁵ = 47725501 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 (47725543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2651410 + ... + 2651427.

Almost surely, 2^47725533 is an apocalyptic number.

It is an amenable number.

47725533 is a deficient number, since it is larger than the sum of its proper divisors (21211361).

47725533 is a wasteful number, since it uses less digits than its factorization.

47725533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302843 (or 5302840 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 47725533 is about 6908.3668837143. The cubic root of 47725533 is about 362.7301001258.

The spelling of 47725533 in words is "forty-seven million, seven hundred twenty-five thousand, five hundred thirty-three".