55453330 has 16 divisors (see below), whose sum is σ = 100488600. Its totient is φ = 22031872.

The previous prime is 55453291. The next prime is 55453367. The reversal of 55453330 is 3335455.

It can be written as a sum of positive squares in 4 ways, for example, as 31843449 + 23609881 = 5643^2 + 4859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17119 + ... + 20098.

Almost surely, 2^55453330 is an apocalyptic number.

55453330 is a deficient number, since it is larger than the sum of its proper divisors (45035270).

55453330 is a wasteful number, since it uses less digits than its factorization.

55453330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37373.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 55453330 is about 7446.6992688036. The cubic root of 55453330 is about 381.3372323907.

Adding to 55453330 its reverse (3335455), we get a palindrome (58788785).

The spelling of 55453330 in words is "fifty-five million, four hundred fifty-three thousand, three hundred thirty".