47995524820 has 48 divisors (see below), whose sum is σ = 102750333840. Its totient is φ = 18825337856.

The previous prime is 47995524809. The next prime is 47995524821. The reversal of 47995524820 is 2842559974.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1414662544 + 46580862276 = 37612^2 + 215826^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47995524821) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2015946 + ... + 2039614.

It is an arithmetic number, because the mean of its divisors is an integer number (2140631955).

Almost surely, 2^47995524820 is an apocalyptic number.

It is an amenable number.

47995524820 is an abundant number, since it is smaller than the sum of its proper divisors (54754809020).

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

47995524820 is a wasteful number, since it uses less digits than its factorization.

47995524820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25644 (or 25642 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 47995524820 in words is "forty-seven billion, nine hundred ninety-five million, five hundred twenty-four thousand, eight hundred twenty".