53030545 has 4 divisors (see below), whose sum is σ = 63636660. Its totient is φ = 42424432.

The previous prime is 53030519. The next prime is 53030573. The reversal of 53030545 is 54503035.

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 34012224 + 19018321 = 5832^2 + 4361^2 .

It is a cyclic number.

It is not a de Polignac number, because 53030545 - 2¹¹ = 53028497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303050 + ... + 5303059.

It is an arithmetic number, because the mean of its divisors is an integer number (15909165).

Almost surely, 2^53030545 is an apocalyptic number.

It is an amenable number.

53030545 is a deficient number, since it is larger than the sum of its proper divisors (10606115).

53030545 is a wasteful number, since it uses less digits than its factorization.

53030545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606114.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53030545 is about 7282.2074263234. The cubic root of 53030545 is about 375.7007224120.

The spelling of 53030545 in words is "fifty-three million, thirty thousand, five hundred forty-five".