55820288398 has 16 divisors (see below), whose sum is σ = 95799826944. Its totient is φ = 23896004760.

The previous prime is 55820288383. The next prime is 55820288401. The reversal of 55820288398 is 89388202855.

It is a happy number.

55820288398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2235138 + ... + 2259973.

It is an arithmetic number, because the mean of its divisors is an integer number (5987489184).

Almost surely, 2^55820288398 is an apocalyptic number.

55820288398 is a deficient number, since it is larger than the sum of its proper divisors (39979538546).

55820288398 is a wasteful number, since it uses less digits than its factorization.

55820288398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496007.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 55820288398 in words is "fifty-five billion, eight hundred twenty million, two hundred eighty-eight thousand, three hundred ninety-eight".