542552402101 has 8 divisors (see below), whose sum is σ = 548167385304. Its totient is φ = 536937861120.

The previous prime is 542552402071. The next prime is 542552402113. The reversal of 542552402101 is 101204255245.

It can be written as a sum of positive squares in 4 ways, for example, as 18340201476 + 524212200625 = 135426^2 + 724025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542552402101 - 2⁵ = 542552402069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542552402131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731911 + ... + 2923771.

It is an arithmetic number, because the mean of its divisors is an integer number (68520923163).

Almost surely, 2^542552402101 is an apocalyptic number.

It is an amenable number.

542552402101 is a deficient number, since it is larger than the sum of its proper divisors (5614983203).

542552402101 is a wasteful number, since it uses less digits than its factorization.

542552402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221111.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 542552402101 its reverse (101204255245), we get a palindrome (643756657346).

The spelling of 542552402101 in words is "five hundred forty-two billion, five hundred fifty-two million, four hundred two thousand, one hundred one".