55570205670 has 96 divisors (see below), whose sum is σ = 158927088096. Its totient is φ = 12391948800.

The previous prime is 55570205599. The next prime is 55570205671. The reversal of 55570205670 is 7650207555.

It is a super-2 number, since 2×55570205670² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55570205671) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 400741 + ... + 521280.

It is an arithmetic number, because the mean of its divisors is an integer number (1655490501).

Almost surely, 2^55570205670 is an apocalyptic number.

55570205670 is an abundant number, since it is smaller than the sum of its proper divisors (103356882426).

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

55570205670 is a wasteful number, since it uses less digits than its factorization.

55570205670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922086 (or 922079 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 42.

The spelling of 55570205670 in words is "fifty-five billion, five hundred seventy million, two hundred five thousand, six hundred seventy".