55111256173470 has 64 divisors (see below), whose sum is σ = 151163652856320. Its totient is φ = 12596746036608.

The previous prime is 55111256173469. The next prime is 55111256173471. The reversal of 55111256173470 is 7437165211155.

It is an interprime number because it is at equal distance from previous prime (55111256173469) and next prime (55111256173471).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111256173471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23642316 + ... + 25868544.

It is an arithmetic number, because the mean of its divisors is an integer number (2361932075880).

Almost surely, 2^{55111256173470} is an apocalyptic number.

55111256173470 is an abundant number, since it is smaller than the sum of its proper divisors (96052396682850).

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

55111256173470 is a wasteful number, since it uses less digits than its factorization.

55111256173470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344129.

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 55111256173470 in words is "fifty-five trillion, one hundred eleven billion, two hundred fifty-six million, one hundred seventy-three thousand, four hundred seventy".