53506500 has 48 divisors (see below), whose sum is σ = 155815296. Its totient is φ = 14268000.

The previous prime is 53506499. The next prime is 53506507. The reversal of 53506500 is 560535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16336 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (3246152).

Almost surely, 2^53506500 is an apocalyptic number.

53506500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53506500 is an abundant number, since it is smaller than the sum of its proper divisors (102308796).

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

53506500 is a wasteful number, since it uses less digits than its factorization.

53506500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35693 (or 35681 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53506500 is about 7314.8137365213. The cubic root of 53506500 is about 376.8213616119.

The spelling of 53506500 in words is "fifty-three million, five hundred six thousand, five hundred".