545540053 has 2 divisors, whose sum is σ = 545540054. Its totient is φ = 545540052.

The previous prime is 545540041. The next prime is 545540101. The reversal of 545540053 is 350045545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403286724 + 142253329 = 20082^2 + 11927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545540053 is a prime.

It is a super-2 number, since 2×545540053² = 595227898854485618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545539997 and 545540024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545540003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272770026 + 272770027.

It is an arithmetic number, because the mean of its divisors is an integer number (272770027).

Almost surely, 2^545540053 is an apocalyptic number.

It is an amenable number.

545540053 is a deficient number, since it is larger than the sum of its proper divisors (1).

545540053 is an equidigital number, since it uses as much as digits as its factorization.

545540053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 545540053 is about 23356.7988602891. The cubic root of 545540053 is about 817.1006334574.

Adding to 545540053 its reverse (350045545), we get a palindrome (895585598).

The spelling of 545540053 in words is "five hundred forty-five million, five hundred forty thousand, fifty-three".