55710344502021 has 16 divisors (see below), whose sum is σ = 81943714082880. Its totient is φ = 33384476104320.

The previous prime is 55710344501963. The next prime is 55710344502023. The reversal of 55710344502021 is 12020544301755.

It is not a de Polignac number, because 55710344502021 - 2⁷ = 55710344501893 is a prime.

It is a super-2 number, since 2×55710344502021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55710344502023) 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, 9484223230 + ... + 9484229103.

It is an arithmetic number, because the mean of its divisors is an integer number (5121482130180).

Almost surely, 2^{55710344502021} is an apocalyptic number.

It is an amenable number.

55710344502021 is a deficient number, since it is larger than the sum of its proper divisors (26233369580859).

55710344502021 is a wasteful number, since it uses less digits than its factorization.

55710344502021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18968452436.

The product of its (nonzero) digits is 168000, while the sum is 39.

Adding to 55710344502021 its reverse (12020544301755), we get a palindrome (67730888803776).

The spelling of 55710344502021 in words is "fifty-five trillion, seven hundred ten billion, three hundred forty-four million, five hundred two thousand, twenty-one".