55556156 has 6 divisors (see below), whose sum is σ = 97223280. Its totient is φ = 27778076.

The previous prime is 55556147. The next prime is 55556191. The reversal of 55556156 is 65165555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944516 + ... + 6944523.

It is an arithmetic number, because the mean of its divisors is an integer number (16203880).

Almost surely, 2^55556156 is an apocalyptic number.

It is an amenable number.

55556156 is a deficient number, since it is larger than the sum of its proper divisors (41667124).

55556156 is a wasteful number, since it uses less digits than its factorization.

55556156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889043 (or 13889041 counting only the distinct ones).

The product of its digits is 112500, while the sum is 38.

The square root of 55556156 is about 7453.6002039283. The cubic root of 55556156 is about 381.5727888541.

It can be divided in two parts, 5555 and 6156, that added together give a palindrome (11711).

The spelling of 55556156 in words is "fifty-five million, five hundred fifty-six thousand, one hundred fifty-six".