47155541 has 4 divisors (see below), whose sum is σ = 47183232. Its totient is φ = 47127852.

The previous prime is 47155529. The next prime is 47155553. The reversal of 47155541 is 14555174.

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 an interprime number because it is at equal distance from previous prime (47155529) and next prime (47155553).

It is a cyclic number.

It is not a de Polignac number, because 47155541 - 2¹⁰ = 47154517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47155498 and 47155507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47155561) 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, 11111 + ... + 14756.

It is an arithmetic number, because the mean of its divisors is an integer number (11795808).

Almost surely, 2^47155541 is an apocalyptic number.

It is an amenable number.

47155541 is a deficient number, since it is larger than the sum of its proper divisors (27691).

47155541 is a wasteful number, since it uses less digits than its factorization.

47155541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27690.

The product of its digits is 14000, while the sum is 32.

The square root of 47155541 is about 6866.9892238156. The cubic root of 47155541 is about 361.2802692516.

The spelling of 47155541 in words is "forty-seven million, one hundred fifty-five thousand, five hundred forty-one".