55071116 has 12 divisors (see below), whose sum is σ = 99697920. Its totient is φ = 26586000.

The previous prime is 55071103. The next prime is 55071161. The reversal of 55071116 is 61117055.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237260 + ... + 237491.

It is an arithmetic number, because the mean of its divisors is an integer number (8308160).

Almost surely, 2^55071116 is an apocalyptic number.

It is an amenable number.

55071116 is a deficient number, since it is larger than the sum of its proper divisors (44626804).

55071116 is a wasteful number, since it uses less digits than its factorization.

55071116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474784 (or 474782 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 55071116 is about 7420.9915779497. The cubic root of 55071116 is about 380.4590850367.

The spelling of 55071116 in words is "fifty-five million, seventy-one thousand, one hundred sixteen".