55616647350 has 192 divisors, whose sum is σ = 153678021120. Its totient is φ = 13198310400.

The previous prime is 55616647349. The next prime is 55616647391. The reversal of 55616647350 is 5374661655.

It is a super-2 number, since 2×55616647350² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55616647350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15123712 + ... + 15127388.

It is an arithmetic number, because the mean of its divisors is an integer number (800406360).

Almost surely, 2^55616647350 is an apocalyptic number.

55616647350 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 55616647350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76839010560).

55616647350 is an abundant number, since it is smaller than the sum of its proper divisors (98061373770).

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

55616647350 is a wasteful number, since it uses less digits than its factorization.

55616647350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 55616647350 in words is "fifty-five billion, six hundred sixteen million, six hundred forty-seven thousand, three hundred fifty".