47885549 has 12 divisors (see below), whose sum is σ = 51615252. Its totient is φ = 44271360.

The previous prime is 47885501. The next prime is 47885561. The reversal of 47885549 is 94558874.

It can be written as a sum of positive squares in 6 ways, for example, as 7155625 + 40729924 = 2675^2 + 6382^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47885549 is a prime.

It is a Duffinian number.

Its product of digits (1612800) is a multiple of the sum of its prime factors (896).

It is a junction number, because it is equal to n+sod(n) for n = 47885497 and 47885506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47845549) 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, 62879 + ... + 63635.

It is an arithmetic number, because the mean of its divisors is an integer number (4301271).

Almost surely, 2^47885549 is an apocalyptic number.

It is an amenable number.

47885549 is a deficient number, since it is larger than the sum of its proper divisors (3729703).

47885549 is an equidigital number, since it uses as much as digits as its factorization.

47885549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 835 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 47885549 is about 6919.9385112875. The cubic root of 47885549 is about 363.1350397004.

The spelling of 47885549 in words is "forty-seven million, eight hundred eighty-five thousand, five hundred forty-nine".