47561573 has 4 divisors (see below), whose sum is σ = 48134688. Its totient is φ = 46988460.

The previous prime is 47561567. The next prime is 47561593. The reversal of 47561573 is 37516574.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37516574 = 2 ⋅18758287.

It is a cyclic number.

It is not a de Polignac number, because 47561573 - 2⁴ = 47561557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47561543) 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, 286433 + ... + 286598.

It is an arithmetic number, because the mean of its divisors is an integer number (12033672).

Almost surely, 2^47561573 is an apocalyptic number.

It is an amenable number.

47561573 is a deficient number, since it is larger than the sum of its proper divisors (573115).

47561573 is an equidigital number, since it uses as much as digits as its factorization.

47561573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573114.

The product of its digits is 88200, while the sum is 38.

The square root of 47561573 is about 6896.4899042919. The cubic root of 47561573 is about 362.3142398230.

The spelling of 47561573 in words is "forty-seven million, five hundred sixty-one thousand, five hundred seventy-three".