55112516 has 12 divisors (see below), whose sum is σ = 96502140. Its totient is φ = 27540480.

The previous prime is 55112507. The next prime is 55112537. The reversal of 55112516 is 61521155.

It can be written as a sum of positive squares in 2 ways, for example, as 16000000 + 39112516 = 4000^2 + 6254^2 .

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, 7796 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (8041845).

Almost surely, 2^55112516 is an apocalyptic number.

It is an amenable number.

55112516 is a deficient number, since it is larger than the sum of its proper divisors (41389624).

55112516 is a wasteful number, since it uses less digits than its factorization.

55112516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894 (or 7892 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 55112516 is about 7423.7804385636. The cubic root of 55112516 is about 380.5543985268.

The spelling of 55112516 in words is "fifty-five million, one hundred twelve thousand, five hundred sixteen".