55117062 has 288 divisors, whose sum is σ = 179262720. Its totient is φ = 11975040.

The previous prime is 55117031. The next prime is 55117123. The reversal of 55117062 is 26071155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2396383 + ... + 2396405.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^55117062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55117062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89631360).

55117062 is an abundant number, since it is smaller than the sum of its proper divisors (124145658).

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

55117062 is a wasteful number, since it uses less digits than its factorization.

55117062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55117062 is about 7424.0866104862. The cubic root of 55117062 is about 380.5648616838.

The spelling of 55117062 in words is "fifty-five million, one hundred seventeen thousand, sixty-two".