53500068 has 24 divisors (see below), whose sum is σ = 138704160. Its totient is φ = 17833320.

The previous prime is 53500061. The next prime is 53500081. The reversal of 53500068 is 86000535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53500061) 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, 247578 + ... + 247793.

It is an arithmetic number, because the mean of its divisors is an integer number (5779340).

Almost surely, 2^53500068 is an apocalyptic number.

It is an amenable number.

53500068 is an abundant number, since it is smaller than the sum of its proper divisors (85204092).

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

53500068 is a wasteful number, since it uses less digits than its factorization.

53500068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495384 (or 495376 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53500068 is about 7314.3740675467. The cubic root of 53500068 is about 376.8062618133.

The spelling of 53500068 in words is "fifty-three million, five hundred thousand, sixty-eight".