55152266 has 8 divisors (see below), whose sum is σ = 89092164. Its totient is φ = 25454880.

The previous prime is 55152247. The next prime is 55152271. The reversal of 55152266 is 66225155.

It can be written as a sum of positive squares in 2 ways, for example, as 50112241 + 5040025 = 7079^2 + 2245^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060595 + ... + 1060646.

Almost surely, 2^55152266 is an apocalyptic number.

55152266 is a deficient number, since it is larger than the sum of its proper divisors (33939898).

55152266 is a wasteful number, since it uses less digits than its factorization.

55152266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121256.

The product of its digits is 18000, while the sum is 32.

The square root of 55152266 is about 7426.4571634124. The cubic root of 55152266 is about 380.6458683845.

The spelling of 55152266 in words is "fifty-five million, one hundred fifty-two thousand, two hundred sixty-six".