55156706 has 32 divisors (see below), whose sum is σ = 92416896. Its totient is φ = 24480000.

The previous prime is 55156693. The next prime is 55156723. The reversal of 55156706 is 60765155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228746 + ... + 228986.

It is an arithmetic number, because the mean of its divisors is an integer number (2888028).

Almost surely, 2^55156706 is an apocalyptic number.

55156706 is a deficient number, since it is larger than the sum of its proper divisors (37260190).

55156706 is a wasteful number, since it uses less digits than its factorization.

55156706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55156706 is about 7426.7560886298. The cubic root of 55156706 is about 380.6560826660.

It can be divided in two parts, 5515 and 6706, that added together give a palindrome (12221).

The spelling of 55156706 in words is "fifty-five million, one hundred fifty-six thousand, seven hundred six".