53550500 has 24 divisors (see below), whose sum is σ = 116955384. Its totient is φ = 21420000.

The previous prime is 53550481. The next prime is 53550517. The reversal of 53550500 is 505535.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13075456 + 40475044 = 3616^2 + 6362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53051 + ... + 54050.

It is an arithmetic number, because the mean of its divisors is an integer number (4873141).

Almost surely, 2^53550500 is an apocalyptic number.

53550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53550500 is an abundant number, since it is smaller than the sum of its proper divisors (63404884).

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

53550500 is a wasteful number, since it uses less digits than its factorization.

53550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107120 (or 107108 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 53550500 is about 7317.8207138464. The cubic root of 53550500 is about 376.9246238149.

The spelling of 53550500 in words is "fifty-three million, five hundred fifty thousand, five hundred".