55065506 has 16 divisors (see below), whose sum is σ = 84371544. Its totient is φ = 26947584.

The previous prime is 55065497. The next prime is 55065511. The reversal of 55065506 is 60556055.

It can be written as a sum of positive squares in 4 ways, for example, as 54893281 + 172225 = 7409^2 + 415^2 .

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, 18626 + ... + 21378.

Almost surely, 2^55065506 is an apocalyptic number.

55065506 is a deficient number, since it is larger than the sum of its proper divisors (29306038).

55065506 is a wasteful number, since it uses less digits than its factorization.

55065506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 55065506 is about 7420.6135864900. The cubic root of 55065506 is about 380.4461656935.

The spelling of 55065506 in words is "fifty-five million, sixty-five thousand, five hundred six".