55111853670 has 64 divisors (see below), whose sum is σ = 133132032000. Its totient is φ = 14600831616.

The previous prime is 55111853669. The next prime is 55111853677. The reversal of 55111853670 is 7635811155.

It is a happy number.

55111853670 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 not an unprimeable number, because it can be changed into a prime (55111853677) 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, 3138876 + ... + 3156384.

It is an arithmetic number, because the mean of its divisors is an integer number (2080188000).

Almost surely, 2^55111853670 is an apocalyptic number.

55111853670 is an abundant number, since it is smaller than the sum of its proper divisors (78020178330).

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

55111853670 is a wasteful number, since it uses less digits than its factorization.

55111853670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18197.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 55111853670 in words is "fifty-five billion, one hundred eleven million, eight hundred fifty-three thousand, six hundred seventy".