45020053 has 4 divisors (see below), whose sum is σ = 48483148. Its totient is φ = 41556960.

The previous prime is 45020051. The next prime is 45020057. The reversal of 45020053 is 35002054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29833444 + 15186609 = 5462^2 + 3897^2 .

It is a cyclic number.

It is not a de Polignac number, because 45020053 - 2¹ = 45020051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45020053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020051) 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, 1731528 + ... + 1731553.

It is an arithmetic number, because the mean of its divisors is an integer number (12120787).

Almost surely, 2^45020053 is an apocalyptic number.

It is an amenable number.

45020053 is a deficient number, since it is larger than the sum of its proper divisors (3463095).

45020053 is a wasteful number, since it uses less digits than its factorization.

45020053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463094.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 45020053 is about 6709.6984283945. The cubic root of 45020053 is about 355.7421569595.

It can be divided in two parts, 450 and 20053, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 45020053 in words is "forty-five million, twenty thousand, fifty-three".