55540322 has 8 divisors (see below), whose sum is σ = 85342572. Its totient is φ = 27092800.

The previous prime is 55540319. The next prime is 55540327. The reversal of 55540322 is 22304555.

It can be written as a sum of positive squares in 2 ways, for example, as 55338721 + 201601 = 7439^2 + 449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55540291 and 55540300.

It is not an unprimeable number, because it can be changed into a prime (55540327) 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, 338579 + ... + 338742.

Almost surely, 2^55540322 is an apocalyptic number.

55540322 is a deficient number, since it is larger than the sum of its proper divisors (29802250).

55540322 is a wasteful number, since it uses less digits than its factorization.

55540322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677364.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55540322 is about 7452.5379569647. The cubic root of 55540322 is about 381.5365348602.

Adding to 55540322 its reverse (22304555), we get a palindrome (77844877).

The spelling of 55540322 in words is "fifty-five million, five hundred forty thousand, three hundred twenty-two".