55605311394 has 32 divisors (see below), whose sum is σ = 111517577280. Its totient is φ = 18483992832.

The previous prime is 55605311381. The next prime is 55605311429. The reversal of 55605311394 is 49311350655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898817 + ... + 5908235.

It is an arithmetic number, because the mean of its divisors is an integer number (3484924290).

Almost surely, 2^55605311394 is an apocalyptic number.

55605311394 is an abundant number, since it is smaller than the sum of its proper divisors (55912265886).

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

55605311394 is a wasteful number, since it uses less digits than its factorization.

55605311394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 55605311394 in words is "fifty-five billion, six hundred five million, three hundred eleven thousand, three hundred ninety-four".