55320361146542 has 8 divisors (see below), whose sum is σ = 82980574050096. Its totient is φ = 27660169796512.

The previous prime is 55320361146511. The next prime is 55320361146593. The reversal of 55320361146542 is 24564116302355.

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

It is a super-3 number, since 3×55320361146542³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5151638 + ... + 11712390.

It is an arithmetic number, because the mean of its divisors is an integer number (10372571756262).

Almost surely, 2^{55320361146542} is an apocalyptic number.

55320361146542 is a deficient number, since it is larger than the sum of its proper divisors (27660212903554).

55320361146542 is a wasteful number, since it uses less digits than its factorization.

55320361146542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776762.

The product of its (nonzero) digits is 2592000, while the sum is 47.

Adding to 55320361146542 its reverse (24564116302355), we get a palindrome (79884477448897).

The spelling of 55320361146542 in words is "fifty-five trillion, three hundred twenty billion, three hundred sixty-one million, one hundred forty-six thousand, five hundred forty-two".