47059561 has 4 divisors (see below), whose sum is σ = 49536400. Its totient is φ = 44582724.

The previous prime is 47059559. The next prime is 47059577. The reversal of 47059561 is 16595074.

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: 16595074 = 2 ⋅8297537.

It is a cyclic number.

It is not a de Polignac number, because 47059561 - 2¹ = 47059559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47059561.

It is not an unprimeable number, because it can be changed into a prime (47059511) 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, 1238391 + ... + 1238428.

It is an arithmetic number, because the mean of its divisors is an integer number (12384100).

Almost surely, 2^47059561 is an apocalyptic number.

It is an amenable number.

47059561 is a deficient number, since it is larger than the sum of its proper divisors (2476839).

47059561 is a wasteful number, since it uses less digits than its factorization.

47059561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476838.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 47059561 is about 6859.9971574338. The cubic root of 47059561 is about 361.0349871324.

It can be divided in two parts, 470 and 59561, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 47059561 in words is "forty-seven million, fifty-nine thousand, five hundred sixty-one".