55161726 has 16 divisors (see below), whose sum is σ = 110820864. Its totient is φ = 18304344.

The previous prime is 55161713. The next prime is 55161761. The reversal of 55161726 is 62716155.

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, 19276 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (6926304).

Almost surely, 2^55161726 is an apocalyptic number.

55161726 is an abundant number, since it is smaller than the sum of its proper divisors (55659138).

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

55161726 is a wasteful number, since it uses less digits than its factorization.

55161726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41455.

The product of its digits is 12600, while the sum is 33.

The square root of 55161726 is about 7427.0940481456. The cubic root of 55161726 is about 380.6676305853.

The spelling of 55161726 in words is "fifty-five million, one hundred sixty-one thousand, seven hundred twenty-six".