55040116 has 6 divisors (see below), whose sum is σ = 96320210. Its totient is φ = 27520056.

The previous prime is 55040107. The next prime is 55040119. The reversal of 55040116 is 61104055.

It can be written as a sum of positive squares in only one way, i.e., 54819216 + 220900 = 7404^2 + 470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55040119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6880011 + ... + 6880018.

Almost surely, 2^55040116 is an apocalyptic number.

It is an amenable number.

55040116 is a deficient number, since it is larger than the sum of its proper divisors (41280094).

55040116 is a wasteful number, since it uses less digits than its factorization.

55040116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760033 (or 13760031 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55040116 is about 7418.9026142685. The cubic root of 55040116 is about 380.3876837517.

The spelling of 55040116 in words is "fifty-five million, forty thousand, one hundred sixteen".