47455775 has 12 divisors (see below), whose sum is σ = 58962000. Its totient is φ = 37889280.

The previous prime is 47455769. The next prime is 47455777. The reversal of 47455775 is 57755474.

It is not a de Polignac number, because 47455775 - 2⁸ = 47455519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47455777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13391 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (4913500).

Almost surely, 2^47455775 is an apocalyptic number.

47455775 is a deficient number, since it is larger than the sum of its proper divisors (11506225).

47455775 is a wasteful number, since it uses less digits than its factorization.

47455775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778 (or 3773 counting only the distinct ones).

The product of its digits is 686000, while the sum is 44.

The square root of 47455775 is about 6888.8152101795. The cubic root of 47455775 is about 362.0453912740.

The spelling of 47455775 in words is "forty-seven million, four hundred fifty-five thousand, seven hundred seventy-five".