55678466 has 8 divisors (see below), whose sum is σ = 83766540. Its totient is φ = 27756288.

The previous prime is 55678459. The next prime is 55678499. The reversal of 55678466 is 66487655.

It can be written as a sum of positive squares in 2 ways, for example, as 47955625 + 7722841 = 6925^2 + 2779^2 .

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

It is a super-2 number, since 2×55678466² = 6200183152226312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55678466.

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, 40631 + ... + 41978.

Almost surely, 2^55678466 is an apocalyptic number.

55678466 is a deficient number, since it is larger than the sum of its proper divisors (28088074).

55678466 is a wasteful number, since it uses less digits than its factorization.

55678466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82948.

The product of its digits is 1209600, while the sum is 47.

The square root of 55678466 is about 7461.8004529738. The cubic root of 55678466 is about 381.8526015937.

The spelling of 55678466 in words is "fifty-five million, six hundred seventy-eight thousand, four hundred sixty-six".