53550003573 has 36 divisors (see below), whose sum is σ = 85049890380. Its totient is φ = 32443551360.

The previous prime is 53550003569. The next prime is 53550003607. The reversal of 53550003573 is 37530005535.

It is a happy number.

53550003573 is a `hidden beast` number, since 5 + 3 + 550 + 0 + 0 + 35 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26855998884 + 26694004689 = 163878^2 + 163383^2 .

It is not a de Polignac number, because 53550003573 - 2² = 53550003569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53550003523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4167723 + ... + 4180551.

It is an arithmetic number, because the mean of its divisors is an integer number (2362496955).

Almost surely, 2^53550003573 is an apocalyptic number.

It is an amenable number.

53550003573 is a deficient number, since it is larger than the sum of its proper divisors (31499886807).

53550003573 is a wasteful number, since it uses less digits than its factorization.

53550003573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690 (or 16676 counting only the distinct ones).

The product of its (nonzero) digits is 118125, while the sum is 36.

The spelling of 53550003573 in words is "fifty-three billion, five hundred fifty million, three thousand, five hundred seventy-three".