55005279678 has 24 divisors (see below), whose sum is σ = 123287697000. Its totient is φ = 17702848464.

The previous prime is 55005279569. The next prime is 55005279761. The reversal of 55005279678 is 87697250055.

55005279678 is a `hidden beast` number, since 5 + 50 + 0 + 527 + 9 + 67 + 8 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52686528 + ... + 52687571.

It is an arithmetic number, because the mean of its divisors is an integer number (5136987375).

Almost surely, 2^55005279678 is an apocalyptic number.

55005279678 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55005279678 is an abundant number, since it is smaller than the sum of its proper divisors (68282417322).

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

55005279678 is a wasteful number, since it uses less digits than its factorization.

55005279678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105374136 (or 105374133 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The spelling of 55005279678 in words is "fifty-five billion, five million, two hundred seventy-nine thousand, six hundred seventy-eight".