55608345450 has 192 divisors, whose sum is σ = 182736875520. Its totient is φ = 12157801920.

The previous prime is 55608345439. The next prime is 55608345517. The reversal of 55608345450 is 5454380655.

55608345450 is a `hidden beast` number, since 5 + 5 + 608 + 34 + 5 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 55608345396 and 55608345405.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89427 + ... + 345273.

It is an arithmetic number, because the mean of its divisors is an integer number (951754560).

Almost surely, 2^55608345450 is an apocalyptic number.

55608345450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55608345450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91368437760).

55608345450 is an abundant number, since it is smaller than the sum of its proper divisors (127128530070).

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

55608345450 is a wasteful number, since it uses less digits than its factorization.

55608345450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255898 (or 255887 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 55608345450 in words is "fifty-five billion, six hundred eight million, three hundred forty-five thousand, four hundred fifty".