55576266 has 16 divisors (see below), whose sum is σ = 112173600. Its totient is φ = 18355248.

The previous prime is 55576249. The next prime is 55576291. The reversal of 55576266 is 66267555.

It is a happy number.

It is a Curzon number.

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, 41836 + ... + 43143.

It is an arithmetic number, because the mean of its divisors is an integer number (7010850).

Almost surely, 2^55576266 is an apocalyptic number.

55576266 is an abundant number, since it is smaller than the sum of its proper divisors (56597334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55576266 is a wasteful number, since it uses less digits than its factorization.

55576266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85093.

The product of its digits is 378000, while the sum is 42.

The square root of 55576266 is about 7454.9490943936. The cubic root of 55576266 is about 381.6188233752.

The spelling of 55576266 in words is "fifty-five million, five hundred seventy-six thousand, two hundred sixty-six".