2055523 has 4 divisors (see below), whose sum is σ = 2058400. Its totient is φ = 2052648.

The previous prime is 2055511. The next prime is 2055541. The reversal of 2055523 is 3255502.

2055523 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055523 is a prime.

It is an Ulam number.

It is a Duffinian number.

2055523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2055494 and 2055503.

It is not an unprimeable number, because it can be changed into a prime (2055503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (514600).

2^2055523 is an apocalyptic number.

2055523 is a deficient number, since it is larger than the sum of its proper divisors (2877).

2055523 is a wasteful number, since it uses less digits than its factorization.

2055523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2055523 is about 1433.7095242761. The cubic root of 2055523 is about 127.1473891772.

The spelling of 2055523 in words is "two million, fifty-five thousand, five hundred twenty-three".