55182122 has 16 divisors (see below), whose sum is σ = 83932200. Its totient is φ = 27207360.

The previous prime is 55182107. The next prime is 55182131. The reversal of 55182122 is 22128155.

It can be written as a sum of positive squares in 4 ways, for example, as 42784681 + 12397441 = 6541^2 + 3521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55182091 and 55182100.

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, 58172 + ... + 59112.

Almost surely, 2^55182122 is an apocalyptic number.

55182122 is a deficient number, since it is larger than the sum of its proper divisors (28750078).

55182122 is a wasteful number, since it uses less digits than its factorization.

55182122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 1600, while the sum is 26.

The square root of 55182122 is about 7428.4670020133. The cubic root of 55182122 is about 380.7145419785.

The spelling of 55182122 in words is "fifty-five million, one hundred eighty-two thousand, one hundred twenty-two".