542655020533 has 2 divisors, whose sum is σ = 542655020534. Its totient is φ = 542655020532.

The previous prime is 542655020527. The next prime is 542655020597. The reversal of 542655020533 is 335020556245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385146842404 + 157508178129 = 620602^2 + 396873^2 .

It is a cyclic number.

It is not a de Polignac number, because 542655020533 - 2²¹ = 542652923381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542655020513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271327510266 + 271327510267.

It is an arithmetic number, because the mean of its divisors is an integer number (271327510267).

Almost surely, 2^542655020533 is an apocalyptic number.

It is an amenable number.

542655020533 is a deficient number, since it is larger than the sum of its proper divisors (1).

542655020533 is an equidigital number, since it uses as much as digits as its factorization.

542655020533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 542655020533 its reverse (335020556245), we get a palindrome (877675576778).

The spelling of 542655020533 in words is "five hundred forty-two billion, six hundred fifty-five million, twenty thousand, five hundred thirty-three".