2053550 has 24 divisors (see below), whose sum is σ = 3882936. Its totient is φ = 807840.

The previous prime is 2053529. The next prime is 2053553. The reversal of 2053550 is 553502.

2053550 = 141² + 142² + ... + 207².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053553) 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, 3044 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (161789).

2^2053550 is an apocalyptic number.

2053550 is a deficient number, since it is larger than the sum of its proper divisors (1829386).

2053550 is a wasteful number, since it uses less digits than its factorization.

2053550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2053550 is about 1433.0212838615. The cubic root of 2053550 is about 127.1066952184.

The spelling of 2053550 in words is "two million, fifty-three thousand, five hundred fifty".