55979366406 has 8 divisors (see below), whose sum is σ = 111958732824. Its totient is φ = 18659788800.

The previous prime is 55979366389. The next prime is 55979366407. The reversal of 55979366406 is 60466397955.

It is a sphenic number, since it is the product of 3 distinct primes.

55979366406 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55979366406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55979366407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664947195 + ... + 4664947206.

It is an arithmetic number, because the mean of its divisors is an integer number (13994841603).

Almost surely, 2^55979366406 is an apocalyptic number.

55979366406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55979366406 is a wasteful number, since it uses less digits than its factorization.

55979366406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329894406.

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 55979366406 in words is "fifty-five billion, nine hundred seventy-nine million, three hundred sixty-six thousand, four hundred six".