55421013003522 has 16 divisors (see below), whose sum is σ = 116675816849760. Its totient is φ = 17501372527392.

The previous prime is 55421013003511. The next prime is 55421013003563. The reversal of 55421013003522 is 22530031012455.

It is a super-3 number, since 3×55421013003522³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243074618323 + ... + 243074618550.

It is an arithmetic number, because the mean of its divisors is an integer number (7292238553110).

Almost surely, 2^{55421013003522} is an apocalyptic number.

55421013003522 is an abundant number, since it is smaller than the sum of its proper divisors (61254803846238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55421013003522 is a wasteful number, since it uses less digits than its factorization.

55421013003522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486149236897.

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

Adding to 55421013003522 its reverse (22530031012455), we get a palindrome (77951044015977).

The spelling of 55421013003522 in words is "fifty-five trillion, four hundred twenty-one billion, thirteen million, three thousand, five hundred twenty-two".