47136500 has 24 divisors (see below), whose sum is σ = 102947208. Its totient is φ = 18854400.

The previous prime is 47136497. The next prime is 47136521. The reversal of 47136500 is 563174.

It can be written as a sum of positive squares in 4 ways, for example, as 7118224 + 40018276 = 2668^2 + 6326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47136500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46637 + ... + 47636.

It is an arithmetic number, because the mean of its divisors is an integer number (4289467).

Almost surely, 2^47136500 is an apocalyptic number.

It is an amenable number.

47136500 is an abundant number, since it is smaller than the sum of its proper divisors (55810708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47136500 is a wasteful number, since it uses less digits than its factorization.

47136500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94292 (or 94280 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 47136500 is about 6865.6026683752. The cubic root of 47136500 is about 361.2316354214.

Adding to 47136500 its reverse (563174), we get a palindrome (47699674).

The spelling of 47136500 in words is "forty-seven million, one hundred thirty-six thousand, five hundred".