542226545506 has 4 divisors (see below), whose sum is σ = 813339818262. Its totient is φ = 271113272752.

The previous prime is 542226545501. The next prime is 542226545519. The reversal of 542226545506 is 605545622245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 493308164881 + 48918380625 = 702359^2 + 221175^2 .

It is not an unprimeable number, because it can be changed into a prime (542226545501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135556636375 + ... + 135556636378.

Almost surely, 2^542226545506 is an apocalyptic number.

542226545506 is a deficient number, since it is larger than the sum of its proper divisors (271113272756).

542226545506 is a wasteful number, since it uses less digits than its factorization.

542226545506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271113272755.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 542226545506 in words is "five hundred forty-two billion, two hundred twenty-six million, five hundred forty-five thousand, five hundred six".