55998504745 has 4 divisors (see below), whose sum is σ = 67198205700. Its totient is φ = 44798803792.

The previous prime is 55998504743. The next prime is 55998504797. The reversal of 55998504745 is 54740589955.

55998504745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15842753424 + 40155751321 = 125868^2 + 200389^2 .

It is a cyclic number.

It is not a de Polignac number, because 55998504745 - 2¹ = 55998504743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55998504743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5599850470 + ... + 5599850479.

It is an arithmetic number, because the mean of its divisors is an integer number (16799551425).

Almost surely, 2^55998504745 is an apocalyptic number.

It is an amenable number.

55998504745 is a deficient number, since it is larger than the sum of its proper divisors (11199700955).

55998504745 is a wasteful number, since it uses less digits than its factorization.

55998504745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199700954.

The product of its (nonzero) digits is 45360000, while the sum is 61.

The spelling of 55998504745 in words is "fifty-five billion, nine hundred ninety-eight million, five hundred four thousand, seven hundred forty-five".