55688167354978 has 16 divisors (see below), whose sum is σ = 85932230310144. Its totient is φ = 27052739159200.

The previous prime is 55688167354927. The next prime is 55688167354979. The reversal of 55688167354978 is 87945376188655.

It is a super-2 number, since 2×55688167354978² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55688167354979) 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, 2162130598 + ... + 2162156353.

It is an arithmetic number, because the mean of its divisors is an integer number (5370764394384).

Almost surely, 2^{55688167354978} is an apocalyptic number.

55688167354978 is a deficient number, since it is larger than the sum of its proper divisors (30244062955166).

55688167354978 is a wasteful number, since it uses less digits than its factorization.

55688167354978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324287137.

The product of its digits is 12192768000, while the sum is 82.

The spelling of 55688167354978 in words is "fifty-five trillion, six hundred eighty-eight billion, one hundred sixty-seven million, three hundred fifty-four thousand, nine hundred seventy-eight".