55552530278 has 16 divisors (see below), whose sum is σ = 95235945504. Its totient is φ = 23807468160.

The previous prime is 55552530259. The next prime is 55552530289. The reversal of 55552530278 is 87203525555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769868 + ... + 838928.

It is an arithmetic number, because the mean of its divisors is an integer number (5952246594).

Almost surely, 2^55552530278 is an apocalyptic number.

55552530278 is a deficient number, since it is larger than the sum of its proper divisors (39683415226).

55552530278 is a wasteful number, since it uses less digits than its factorization.

55552530278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126527.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 55552530278 in words is "fifty-five billion, five hundred fifty-two million, five hundred thirty thousand, two hundred seventy-eight".