47471453 has 4 divisors (see below), whose sum is σ = 47521020. Its totient is φ = 47421888.

The previous prime is 47471449. The next prime is 47471467. The reversal of 47471453 is 35417474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35417474 = 2 ⋅17708737.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 8508889 = 6242^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 47471453 - 2² = 47471449 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 (47471953) 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, 23318 + ... + 25271.

It is an arithmetic number, because the mean of its divisors is an integer number (11880255).

Almost surely, 2^47471453 is an apocalyptic number.

It is an amenable number.

47471453 is a deficient number, since it is larger than the sum of its proper divisors (49567).

47471453 is an equidigital number, since it uses as much as digits as its factorization.

47471453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49566.

The product of its digits is 47040, while the sum is 35.

The square root of 47471453 is about 6889.9530477355. The cubic root of 47471453 is about 362.0852566201.

The spelling of 47471453 in words is "forty-seven million, four hundred seventy-one thousand, four hundred fifty-three".