55669466 has 4 divisors (see below), whose sum is σ = 83504202. Its totient is φ = 27834732.

The previous prime is 55669463. The next prime is 55669501. The reversal of 55669466 is 66496655.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66496655 = 5 ⋅13299331.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 687241 = 7415^2 + 829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55669466.

It is not an unprimeable number, because it can be changed into a prime (55669463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13917365 + ... + 13917368.

Almost surely, 2^55669466 is an apocalyptic number.

55669466 is a deficient number, since it is larger than the sum of its proper divisors (27834736).

55669466 is a wasteful number, since it uses less digits than its factorization.

55669466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27834735.

The product of its digits is 1166400, while the sum is 47.

The square root of 55669466 is about 7461.1973569930. The cubic root of 55669466 is about 381.8320259634.

The spelling of 55669466 in words is "fifty-five million, six hundred sixty-nine thousand, four hundred sixty-six".