55061565330531 has 16 divisors (see below), whose sum is σ = 74898279227520. Its totient is φ = 35970256320960.

The previous prime is 55061565330517. The next prime is 55061565330539. The reversal of 55061565330531 is 13503356516055.

It is a happy number.

It is not a de Polignac number, because 55061565330531 - 2⁶ = 55061565330467 is a prime.

It is a super-3 number, since 3×55061565330531³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55061565330539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496881165 + ... + 496991966.

It is an arithmetic number, because the mean of its divisors is an integer number (4681142451720).

Almost surely, 2^{55061565330531} is an apocalyptic number.

55061565330531 is a deficient number, since it is larger than the sum of its proper divisors (19836713896989).

55061565330531 is a wasteful number, since it uses less digits than its factorization.

55061565330531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993873506.

The product of its (nonzero) digits is 3037500, while the sum is 48.

The spelling of 55061565330531 in words is "fifty-five trillion, sixty-one billion, five hundred sixty-five million, three hundred thirty thousand, five hundred thirty-one".