55156827 has 16 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 33204000.

The previous prime is 55156817. The next prime is 55156841. The reversal of 55156827 is 72865155.

It is a de Polignac number, because none of the positive numbers 2^k-55156827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55156817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (5047920).

Almost surely, 2^55156827 is an apocalyptic number.

55156827 is a deficient number, since it is larger than the sum of its proper divisors (25609893).

55156827 is a wasteful number, since it uses less digits than its factorization.

55156827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234.

The product of its digits is 84000, while the sum is 39.

The square root of 55156827 is about 7426.7642348468. The cubic root of 55156827 is about 380.6563610205.

The spelling of 55156827 in words is "fifty-five million, one hundred fifty-six thousand, eight hundred twenty-seven".