55060055538 has 32 divisors (see below), whose sum is σ = 111286296576. Its totient is φ = 18159299088.

The previous prime is 55060055537. The next prime is 55060055543. The reversal of 55060055538 is 83555006055.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55060055538.

It is not an unprimeable number, because it can be changed into a prime (55060055537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680431 + ... + 757037.

It is an arithmetic number, because the mean of its divisors is an integer number (3477696768).

Almost surely, 2^55060055538 is an apocalyptic number.

55060055538 is an abundant number, since it is smaller than the sum of its proper divisors (56226241038).

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

55060055538 is a wasteful number, since it uses less digits than its factorization.

55060055538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77878.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 55060055538 in words is "fifty-five billion, sixty million, fifty-five thousand, five hundred thirty-eight".