553216423506 has 64 divisors (see below), whose sum is σ = 1130394400128. Its totient is φ = 180462256128.

The previous prime is 553216423481. The next prime is 553216423561. The reversal of 553216423506 is 605324612355.

It is a happy number.

It is a super-2 number, since 2×553216423506² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28466965 + ... + 28486391.

It is an arithmetic number, because the mean of its divisors is an integer number (17662412502).

Almost surely, 2^553216423506 is an apocalyptic number.

553216423506 is an abundant number, since it is smaller than the sum of its proper divisors (577177976622).

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

553216423506 is a wasteful number, since it uses less digits than its factorization.

553216423506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 553216423506 in words is "five hundred fifty-three billion, two hundred sixteen million, four hundred twenty-three thousand, five hundred six".