47469545 has 4 divisors (see below), whose sum is σ = 56963460. Its totient is φ = 37975632.

The previous prime is 47469533. The next prime is 47469563. The reversal of 47469545 is 54596474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54596474 = 2 ⋅27298237.

It can be written as a sum of positive squares in 2 ways, for example, as 15241216 + 32228329 = 3904^2 + 5677^2 .

It is a cyclic number.

It is not a de Polignac number, because 47469545 - 2⁶ = 47469481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47469496 and 47469505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746950 + ... + 4746959.

It is an arithmetic number, because the mean of its divisors is an integer number (14240865).

Almost surely, 2^47469545 is an apocalyptic number.

It is an amenable number.

47469545 is a deficient number, since it is larger than the sum of its proper divisors (9493915).

47469545 is an equidigital number, since it uses as much as digits as its factorization.

47469545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493914.

The product of its digits is 604800, while the sum is 44.

The square root of 47469545 is about 6889.8145838622. The cubic root of 47469545 is about 362.0804055087.

The spelling of 47469545 in words is "forty-seven million, four hundred sixty-nine thousand, five hundred forty-five".