55314440 has 16 divisors (see below), whose sum is σ = 124457580. Its totient is φ = 22125760.

The previous prime is 55314421. The next prime is 55314443. The reversal of 55314440 is 4441355.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 643204 = 7394^2 + 802^2 .

It is not an unprimeable number, because it can be changed into a prime (55314443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691391 + ... + 691470.

Almost surely, 2^55314440 is an apocalyptic number.

It is an amenable number.

55314440 is an abundant number, since it is smaller than the sum of its proper divisors (69143140).

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

55314440 is a wasteful number, since it uses less digits than its factorization.

55314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382872 (or 1382868 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55314440 is about 7437.3678139514. The cubic root of 55314440 is about 381.0185968332.

Adding to 55314440 its reverse (4441355), we get a palindrome (59755795).

The spelling of 55314440 in words is "fifty-five million, three hundred fourteen thousand, four hundred forty".