47155075 has 12 divisors (see below), whose sum is σ = 63788328. Its totient is φ = 34294400.

The previous prime is 47155067. The next prime is 47155117. The reversal of 47155075 is 57055174.

It is a happy number.

It is not a de Polignac number, because 47155075 - 2³ = 47155067 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 47155075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85462 + ... + 86011.

It is an arithmetic number, because the mean of its divisors is an integer number (5315694).

Almost surely, 2^47155075 is an apocalyptic number.

47155075 is a deficient number, since it is larger than the sum of its proper divisors (16633253).

47155075 is a wasteful number, since it uses less digits than its factorization.

47155075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171494 (or 171489 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 47155075 is about 6866.9552932868. The cubic root of 47155075 is about 361.2790791676.

Subtracting 47155075 from its reverse (57055174), we obtain a palindrome (9900099).

The spelling of 47155075 in words is "forty-seven million, one hundred fifty-five thousand, seventy-five".