47345453 has 4 divisors (see below), whose sum is σ = 47422560. Its totient is φ = 47268348.

The previous prime is 47345443. The next prime is 47345471. The reversal of 47345453 is 35454374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47345453 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 (47345443) 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, 37625 + ... + 38862.

It is an arithmetic number, because the mean of its divisors is an integer number (11855640).

Almost surely, 2^47345453 is an apocalyptic number.

It is an amenable number.

47345453 is a deficient number, since it is larger than the sum of its proper divisors (77107).

47345453 is an equidigital number, since it uses as much as digits as its factorization.

47345453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77106.

The product of its digits is 100800, while the sum is 35.

The square root of 47345453 is about 6880.8032234616. The cubic root of 47345453 is about 361.7646206488.

The spelling of 47345453 in words is "forty-seven million, three hundred forty-five thousand, four hundred fifty-three".