47551213 has 8 divisors (see below), whose sum is σ = 49582080. Its totient is φ = 45546480.

The previous prime is 47551211. The next prime is 47551219. The reversal of 47551213 is 31215574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47551213 - 2¹ = 47551211 is a prime.

It is a super-2 number, since 2×47551213² = 4522235715542738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47551211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (6197760).

Almost surely, 2^47551213 is an apocalyptic number.

It is an amenable number.

47551213 is a deficient number, since it is larger than the sum of its proper divisors (2030867).

47551213 is a wasteful number, since it uses less digits than its factorization.

47551213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its digits is 4200, while the sum is 28.

The square root of 47551213 is about 6895.7387566525. The cubic root of 47551213 is about 362.2879311326.

Adding to 47551213 its reverse (31215574), we get a palindrome (78766787).

The spelling of 47551213 in words is "forty-seven million, five hundred fifty-one thousand, two hundred thirteen".