545757533 has 2 divisors, whose sum is σ = 545757534. Its totient is φ = 545757532.

The previous prime is 545757529. The next prime is 545757581. The reversal of 545757533 is 335757545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305445529 + 240312004 = 17477^2 + 15502^2 .

It is a cyclic number.

It is not a de Polignac number, because 545757533 - 2² = 545757529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545750533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272878766 + 272878767.

It is an arithmetic number, because the mean of its divisors is an integer number (272878767).

Almost surely, 2^545757533 is an apocalyptic number.

It is an amenable number.

545757533 is a deficient number, since it is larger than the sum of its proper divisors (1).

545757533 is an equidigital number, since it uses as much as digits as its factorization.

545757533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102500, while the sum is 44.

The square root of 545757533 is about 23361.4540001259. The cubic root of 545757533 is about 817.2091983166.

It can be divided in two parts, 54575 and 7533, that multiplied together give a triangular number (411113475 = T₂₈₆₇₄).

The spelling of 545757533 in words is "five hundred forty-five million, seven hundred fifty-seven thousand, five hundred thirty-three".