47755545 has 8 divisors (see below), whose sum is σ = 76408896. Its totient is φ = 25469616.

The previous prime is 47755541. The next prime is 47755549. The reversal of 47755545 is 54555774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47755541) and next prime (47755549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47755545 - 2² = 47755541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47755497 and 47755506.

It is not an unprimeable number, because it can be changed into a prime (47755541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591837 + ... + 1591866.

It is an arithmetic number, because the mean of its divisors is an integer number (9551112).

Almost surely, 2^47755545 is an apocalyptic number.

It is an amenable number.

47755545 is a deficient number, since it is larger than the sum of its proper divisors (28653351).

47755545 is a wasteful number, since it uses less digits than its factorization.

47755545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183711.

The product of its digits is 490000, while the sum is 42.

The square root of 47755545 is about 6910.5386910139. The cubic root of 47755545 is about 362.8061179577.

The spelling of 47755545 in words is "forty-seven million, seven hundred fifty-five thousand, five hundred forty-five".