55523306 has 4 divisors (see below), whose sum is σ = 83284962. Its totient is φ = 27761652.

The previous prime is 55523297. The next prime is 55523317. The reversal of 55523306 is 60332555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60332555 = 5 ⋅12066511.

It can be written as a sum of positive squares in only one way, i.e., 45225625 + 10297681 = 6725^2 + 3209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880825 + ... + 13880828.

Almost surely, 2^55523306 is an apocalyptic number.

55523306 is a deficient number, since it is larger than the sum of its proper divisors (27761656).

55523306 is a wasteful number, since it uses less digits than its factorization.

55523306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27761655.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 55523306 is about 7451.3962450000. The cubic root of 55523306 is about 381.4975668422.

Subtracting 55523306 from its reverse (60332555), we obtain a square (4809249 = 2193²).

The spelling of 55523306 in words is "fifty-five million, five hundred twenty-three thousand, three hundred six".