55642566202 has 8 divisors (see below), whose sum is σ = 83464905312. Its totient is φ = 27820931100.

The previous prime is 55642566179. The next prime is 55642566211. The reversal of 55642566202 is 20266524655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123577 + ... + 355747.

It is an arithmetic number, because the mean of its divisors is an integer number (10433113164).

Almost surely, 2^55642566202 is an apocalyptic number.

55642566202 is a deficient number, since it is larger than the sum of its proper divisors (27822339110).

55642566202 is a wasteful number, since it uses less digits than its factorization.

55642566202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352004.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 55642566202 in words is "fifty-five billion, six hundred forty-two million, five hundred sixty-six thousand, two hundred two".