55706066 has 8 divisors (see below), whose sum is σ = 89986764. Its totient is φ = 25710480.

The previous prime is 55706051. The next prime is 55706099. The reversal of 55706066 is 66060755.

It can be written as a sum of positive squares in 2 ways, for example, as 49350625 + 6355441 = 7025^2 + 2521^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071245 + ... + 1071296.

Almost surely, 2^55706066 is an apocalyptic number.

55706066 is a deficient number, since it is larger than the sum of its proper divisors (34280698).

55706066 is a wasteful number, since it uses less digits than its factorization.

55706066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142556.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55706066 is about 7463.6496434385. The cubic root of 55706066 is about 381.9156863708.

The spelling of 55706066 in words is "fifty-five million, seven hundred six thousand, sixty-six".