55336040 has 16 divisors (see below), whose sum is σ = 124506180. Its totient is φ = 22134400.

The previous prime is 55336033. The next prime is 55336049. The reversal of 55336040 is 4063355.

It can be written as a sum of positive squares in 2 ways, for example, as 54848836 + 487204 = 7406^2 + 698^2 .

It is not an unprimeable number, because it can be changed into a prime (55336049) 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, 691661 + ... + 691740.

Almost surely, 2^55336040 is an apocalyptic number.

It is an amenable number.

55336040 is an abundant number, since it is smaller than the sum of its proper divisors (69170140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55336040 is a wasteful number, since it uses less digits than its factorization.

55336040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383412 (or 1383408 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55336040 is about 7438.8197988659. The cubic root of 55336040 is about 381.0681856365.

Adding to 55336040 its reverse (4063355), we get a palindrome (59399395).

The spelling of 55336040 in words is "fifty-five million, three hundred thirty-six thousand, forty".