53995880 has 16 divisors (see below), whose sum is σ = 121490820. Its totient is φ = 21598336.

The previous prime is 53995867. The next prime is 53995889. The reversal of 53995880 is 8859935.

It can be written as a sum of positive squares in 2 ways, for example, as 47141956 + 6853924 = 6866^2 + 2618^2 .

It is not an unprimeable number, because it can be changed into a prime (53995889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674909 + ... + 674988.

Almost surely, 2^53995880 is an apocalyptic number.

It is an amenable number.

53995880 is an abundant number, since it is smaller than the sum of its proper divisors (67494940).

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

53995880 is a wasteful number, since it uses less digits than its factorization.

53995880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349908 (or 1349904 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 53995880 is about 7348.1888925095. The cubic root of 53995880 is about 377.9667019930.

The spelling of 53995880 in words is "fifty-three million, nine hundred ninety-five thousand, eight hundred eighty".