55399058156122 has 16 divisors (see below), whose sum is σ = 83121779442240. Its totient is φ = 27691798845312.

The previous prime is 55399058156089. The next prime is 55399058156131. The reversal of 55399058156122 is 22165185099355.

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, 255749353 + ... + 255965875.

It is an arithmetic number, because the mean of its divisors is an integer number (5195111215140).

Almost surely, 2^{55399058156122} is an apocalyptic number.

55399058156122 is a deficient number, since it is larger than the sum of its proper divisors (27722721286118).

55399058156122 is a wasteful number, since it uses less digits than its factorization.

55399058156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251637.

The product of its (nonzero) digits is 29160000, while the sum is 61.

The spelling of 55399058156122 in words is "fifty-five trillion, three hundred ninety-nine billion, fifty-eight million, one hundred fifty-six thousand, one hundred twenty-two".