55335421557170 has 64 divisors (see below), whose sum is σ = 108813702654720. Its totient is φ = 20195464574208.

The previous prime is 55335421557131. The next prime is 55335421557173. The reversal of 55335421557170 is 7175512453355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55335421557173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49423289 + ... + 50530508.

It is an arithmetic number, because the mean of its divisors is an integer number (1700214103980).

Almost surely, 2^{55335421557170} is an apocalyptic number.

55335421557170 is a deficient number, since it is larger than the sum of its proper divisors (53478281097550).

55335421557170 is a wasteful number, since it uses less digits than its factorization.

55335421557170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99953939.

The product of its (nonzero) digits is 11025000, while the sum is 53.

The spelling of 55335421557170 in words is "fifty-five trillion, three hundred thirty-five billion, four hundred twenty-one million, five hundred fifty-seven thousand, one hundred seventy".