55608907158 has 160 divisors (see below), whose sum is σ = 143896104000. Its totient is φ = 15722885376.

The previous prime is 55608907121. The next prime is 55608907171. The reversal of 55608907158 is 85170980655.

55608907158 is a `hidden beast` number, since 5 + 560 + 8 + 9 + 0 + 71 + 5 + 8 = 666.

55608907158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 67079088 + ... + 67079916.

It is an arithmetic number, because the mean of its divisors is an integer number (899350650).

Almost surely, 2^55608907158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55608907158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71948052000).

55608907158 is an abundant number, since it is smaller than the sum of its proper divisors (88287196842).

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

55608907158 is a wasteful number, since it uses less digits than its factorization.

55608907158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 55608907158 in words is "fifty-five billion, six hundred eight million, nine hundred seven thousand, one hundred fifty-eight".