55040936 has 16 divisors (see below), whose sum is σ = 103285140. Its totient is φ = 27498240.

The previous prime is 55040933. The next prime is 55040957. The reversal of 55040936 is 63904055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36602500 + 18438436 = 6050^2 + 4294^2 .

It is not an unprimeable number, because it can be changed into a prime (55040933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13040 + ... + 16736.

Almost surely, 2^55040936 is an apocalyptic number.

It is an amenable number.

55040936 is a deficient number, since it is larger than the sum of its proper divisors (48244204).

55040936 is a wasteful number, since it uses less digits than its factorization.

55040936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564 (or 5560 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55040936 is about 7418.9578783007. The cubic root of 55040936 is about 380.3895727760.

The spelling of 55040936 in words is "fifty-five million, forty thousand, nine hundred thirty-six".