55050061068 has 144 divisors (see below), whose sum is σ = 147769090560. Its totient is φ = 17244741888.

The previous prime is 55050061067. The next prime is 55050061069. The reversal of 55050061068 is 86016005055.

It is an interprime number because it is at equal distance from previous prime (55050061067) and next prime (55050061069).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55050061067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12009505 + ... + 12014087.

It is an arithmetic number, because the mean of its divisors is an integer number (1026174240).

Almost surely, 2^55050061068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55050061068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73884545280).

55050061068 is an abundant number, since it is smaller than the sum of its proper divisors (92719029492).

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

55050061068 is a wasteful number, since it uses less digits than its factorization.

55050061068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 55050061068 in words is "fifty-five billion, fifty million, sixty-one thousand, sixty-eight".