47545573 has 4 divisors (see below), whose sum is σ = 48651328. Its totient is φ = 46439820.

The previous prime is 47545571. The next prime is 47545591. The reversal of 47545573 is 37554574.

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 not a de Polignac number, because 47545573 - 2¹ = 47545571 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 (47545571) 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, 552813 + ... + 552898.

It is an arithmetic number, because the mean of its divisors is an integer number (12162832).

Almost surely, 2^47545573 is an apocalyptic number.

47545573 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47545573 is a deficient number, since it is larger than the sum of its proper divisors (1105755).

47545573 is a wasteful number, since it uses less digits than its factorization.

47545573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105754.

The product of its digits is 294000, while the sum is 40.

The square root of 47545573 is about 6895.3297963187. The cubic root of 47545573 is about 362.2736070345.

Subtracting from 47545573 its reverse (37554574), we obtain a palindrome (9990999).

The spelling of 47545573 in words is "forty-seven million, five hundred forty-five thousand, five hundred seventy-three".