55565602 has 4 divisors (see below), whose sum is σ = 83348406. Its totient is φ = 27782800.

The previous prime is 55565593. The next prime is 55565611. The reversal of 55565602 is 20656555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55565593) and next prime (55565611).

It can be written as a sum of positive squares in only one way, i.e., 48706441 + 6859161 = 6979^2 + 2619^2 .

It is a super-2 number, since 2×55565602² = 6175072251244808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891399 + ... + 13891402.

Almost surely, 2^55565602 is an apocalyptic number.

55565602 is a deficient number, since it is larger than the sum of its proper divisors (27782804).

55565602 is a wasteful number, since it uses less digits than its factorization.

55565602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782803.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55565602 is about 7454.2338305154. The cubic root of 55565602 is about 381.5944134142.

The spelling of 55565602 in words is "fifty-five million, five hundred sixty-five thousand, six hundred two".