56551308212170 has 16 divisors (see below), whose sum is σ = 101795570219520. Its totient is φ = 22619808743184.

The previous prime is 56551308212159. The next prime is 56551308212197. The reversal of 56551308212170 is 7121280315565.

It is a super-2 number, since 2×56551308212170² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56551308212170.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88985250 + ... + 89618509.

It is an arithmetic number, because the mean of its divisors is an integer number (6362223138720).

Almost surely, 2^{56551308212170} is an apocalyptic number.

56551308212170 is a deficient number, since it is larger than the sum of its proper divisors (45244262007350).

56551308212170 is a wasteful number, since it uses less digits than its factorization.

56551308212170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178635429.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 56551308212170 in words is "fifty-six trillion, five hundred fifty-one billion, three hundred eight million, two hundred twelve thousand, one hundred seventy".