653140550 has 24 divisors (see below), whose sum is σ = 1254032832. Its totient is φ = 252828000.

The previous prime is 653140549. The next prime is 653140559. The reversal of 653140550 is 55041356.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653140559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209141 + ... + 212240.

It is an arithmetic number, because the mean of its divisors is an integer number (52251368).

Almost surely, 2^653140550 is an apocalyptic number.

653140550 is a deficient number, since it is larger than the sum of its proper divisors (600892282).

653140550 is a wasteful number, since it uses less digits than its factorization.

653140550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421424 (or 421419 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 653140550 is about 25556.6146036599. The cubic root of 653140550 is about 867.6319758682.

The spelling of 653140550 in words is "six hundred fifty-three million, one hundred forty thousand, five hundred fifty".