47552517 has 12 divisors (see below), whose sum is σ = 69368364. Its totient is φ = 31387200.

The previous prime is 47552507. The next prime is 47552521. The reversal of 47552517 is 71525574.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 2313441 = 6726^2 + 1521^2 .

It is not a de Polignac number, because 47552517 - 2⁷ = 47552389 is a prime.

It is a super-2 number, since 2×47552517² = 4522483746070578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47552507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25248 + ... + 27065.

It is an arithmetic number, because the mean of its divisors is an integer number (5780697).

Almost surely, 2^47552517 is an apocalyptic number.

It is an amenable number.

47552517 is a deficient number, since it is larger than the sum of its proper divisors (21815847).

47552517 is a wasteful number, since it uses less digits than its factorization.

47552517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52420 (or 52417 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 47552517 is about 6895.8333071501. The cubic root of 47552517 is about 362.2912427841.

The spelling of 47552517 in words is "forty-seven million, five hundred fifty-two thousand, five hundred seventeen".