55251422530531 has 12 divisors (see below), whose sum is σ = 58329965791440. Its totient is φ = 52325927442800.

The previous prime is 55251422530529. The next prime is 55251422530561. The reversal of 55251422530531 is 13503522415255.

It is not a de Polignac number, because 55251422530531 - 2¹ = 55251422530529 is a prime.

It is a super-3 number, since 3×55251422530531³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55251422530561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517001191 + ... + 517108048.

It is an arithmetic number, because the mean of its divisors is an integer number (4860830482620).

Almost surely, 2^{55251422530531} is an apocalyptic number.

55251422530531 is a deficient number, since it is larger than the sum of its proper divisors (3078543260909).

55251422530531 is a wasteful number, since it uses less digits than its factorization.

55251422530531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034109386 (or 1034109363 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 55251422530531 its reverse (13503522415255), we get a palindrome (68754944945786).

The spelling of 55251422530531 in words is "fifty-five trillion, two hundred fifty-one billion, four hundred twenty-two million, five hundred thirty thousand, five hundred thirty-one".