55321663602 has 16 divisors (see below), whose sum is σ = 117151758432. Its totient is φ = 17355816000.

The previous prime is 55321663601. The next prime is 55321663609. The reversal of 55321663602 is 20636612355.

55321663602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55321663602² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55321663601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271184524 + ... + 271184727.

It is an arithmetic number, because the mean of its divisors is an integer number (7321984902).

Almost surely, 2^55321663602 is an apocalyptic number.

55321663602 is an abundant number, since it is smaller than the sum of its proper divisors (61830094830).

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

55321663602 is a wasteful number, since it uses less digits than its factorization.

55321663602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542369273.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 55321663602 in words is "fifty-five billion, three hundred twenty-one million, six hundred sixty-three thousand, six hundred two".