55266605 has 16 divisors (see below), whose sum is σ = 69234480. Its totient is φ = 42298368.

The previous prime is 55266587. The next prime is 55266619. The reversal of 55266605 is 50666255.

It can be written as a sum of positive squares in 8 ways, for example, as 106276 + 55160329 = 326^2 + 7427^2 .

It is a cyclic number.

It is not a de Polignac number, because 55266605 - 2²⁰ = 54218029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699 + ... + 18071.

It is an arithmetic number, because the mean of its divisors is an integer number (4327155).

Almost surely, 2^55266605 is an apocalyptic number.

It is an amenable number.

55266605 is a deficient number, since it is larger than the sum of its proper divisors (13967875).

55266605 is a wasteful number, since it uses less digits than its factorization.

55266605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55266605 is about 7434.1512629217. The cubic root of 55266605 is about 380.9087323267.

The spelling of 55266605 in words is "fifty-five million, two hundred sixty-six thousand, six hundred five".