55124221000533 has 16 divisors (see below), whose sum is σ = 74187504046080. Its totient is φ = 36405224464496.

The previous prime is 55124221000531. The next prime is 55124221000573. The reversal of 55124221000533 is 33500012242155.

It is a cyclic number.

It is not a de Polignac number, because 55124221000533 - 2¹ = 55124221000531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55124221000494 and 55124221000503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55124221000531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12858538 + ... + 16600916.

It is an arithmetic number, because the mean of its divisors is an integer number (4636719002880).

Almost surely, 2^{55124221000533} is an apocalyptic number.

It is an amenable number.

55124221000533 is a deficient number, since it is larger than the sum of its proper divisors (19063283045547).

55124221000533 is a wasteful number, since it uses less digits than its factorization.

55124221000533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788376.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 55124221000533 its reverse (33500012242155), we get a palindrome (88624233242688).

The spelling of 55124221000533 in words is "fifty-five trillion, one hundred twenty-four billion, two hundred twenty-one million, five hundred thirty-three", and thus it is an aban number.