55327330 has 16 divisors (see below), whose sum is σ = 99749304. Its totient is φ = 22095360.

The previous prime is 55327301. The next prime is 55327339. The reversal of 55327330 is 3372355.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51079609 + 4247721 = 7147^2 + 2061^2 .

It is a super-2 number, since 2×55327330² = 6122226889857800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55327339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 10840.

Almost surely, 2^55327330 is an apocalyptic number.

55327330 is a deficient number, since it is larger than the sum of its proper divisors (44421974).

55327330 is a wasteful number, since it uses less digits than its factorization.

55327330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 55327330 is about 7438.2343334961. The cubic root of 55327330 is about 381.0481909636.

Adding to 55327330 its reverse (3372355), we get a palindrome (58699685).

The spelling of 55327330 in words is "fifty-five million, three hundred twenty-seven thousand, three hundred thirty".