55415266 has 8 divisors (see below), whose sum is σ = 83946204. Its totient is φ = 27433200.

The previous prime is 55415251. The next prime is 55415279. The reversal of 55415266 is 66251455.

55415266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 17850625 = 6129^2 + 4225^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136965 + ... + 137368.

Almost surely, 2^55415266 is an apocalyptic number.

55415266 is a deficient number, since it is larger than the sum of its proper divisors (28530938).

55415266 is a wasteful number, since it uses less digits than its factorization.

55415266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274436.

The product of its digits is 36000, while the sum is 34.

The square root of 55415266 is about 7444.1430668681. The cubic root of 55415266 is about 381.2499605482.

The spelling of 55415266 in words is "fifty-five million, four hundred fifteen thousand, two hundred sixty-six".