55004227758 has 24 divisors (see below), whose sum is σ = 119452353696. Its totient is φ = 18292200000.

The previous prime is 55004227757. The next prime is 55004227763. The reversal of 55004227758 is 85772240055.

55004227758 is a `hidden beast` number, since 5 + 500 + 4 + 22 + 77 + 58 = 666.

55004227758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55004227757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3537243 + ... + 3552758.

It is an arithmetic number, because the mean of its divisors is an integer number (4977181404).

Almost surely, 2^55004227758 is an apocalyptic number.

55004227758 is an abundant number, since it is smaller than the sum of its proper divisors (64448125938).

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

55004227758 is a wasteful number, since it uses less digits than its factorization.

55004227758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090440 (or 7090437 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 55004227758 in words is "fifty-five billion, four million, two hundred twenty-seven thousand, seven hundred fifty-eight".