545352553 has 4 divisors (see below), whose sum is σ = 545576080. Its totient is φ = 545129028.

The previous prime is 545352547. The next prime is 545352593. The reversal of 545352553 is 355253545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545352553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545352593) 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, 108063 + ... + 112996.

It is an arithmetic number, because the mean of its divisors is an integer number (136394020).

Almost surely, 2^545352553 is an apocalyptic number.

It is an amenable number.

545352553 is a deficient number, since it is larger than the sum of its proper divisors (223527).

545352553 is a wasteful number, since it uses less digits than its factorization.

545352553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223526.

The product of its digits is 225000, while the sum is 37.

The square root of 545352553 is about 23352.7846947639. The cubic root of 545352553 is about 817.0070112913.

The spelling of 545352553 in words is "five hundred forty-five million, three hundred fifty-two thousand, five hundred fifty-three".