542364535531 has 32 divisors (see below), whose sum is σ = 670287994880. Its totient is φ = 427351355136.

The previous prime is 542364535529. The next prime is 542364535639. The reversal of 542364535531 is 135535463245.

It is a cyclic number.

It is not a de Polignac number, because 542364535531 - 2¹ = 542364535529 is a prime.

It is a super-2 number, since 2×542364535531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542364535831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22579930 + ... + 22603936.

It is an arithmetic number, because the mean of its divisors is an integer number (20946499840).

Almost surely, 2^542364535531 is an apocalyptic number.

542364535531 is a deficient number, since it is larger than the sum of its proper divisors (127923459349).

542364535531 is a wasteful number, since it uses less digits than its factorization.

542364535531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25043.

The product of its digits is 3240000, while the sum is 46.

Adding to 542364535531 its reverse (135535463245), we get a palindrome (677899998776).

The spelling of 542364535531 in words is "five hundred forty-two billion, three hundred sixty-four million, five hundred thirty-five thousand, five hundred thirty-one".