2053646550 has 36 divisors (see below), whose sum is σ = 5517464940. Its totient is φ = 547638960.

The previous prime is 2053646537. The next prime is 2053646579. The reversal of 2053646550 is 556463502.

It is a happy number.

2053646550 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 646 + 5 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2281380 + ... + 2282279.

It is an arithmetic number, because the mean of its divisors is an integer number (153262915).

Almost surely, 2^2053646550 is an apocalyptic number.

2053646550 is an abundant number, since it is smaller than the sum of its proper divisors (3463818390).

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

2053646550 is a wasteful number, since it uses less digits than its factorization.

2053646550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563677 (or 4563669 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 2053646550 is about 45317.1772068826. The cubic root of 2053646550 is about 1271.0868720932.

The spelling of 2053646550 in words is "two billion, fifty-three million, six hundred forty-six thousand, five hundred fifty".