55678472 has 16 divisors (see below), whose sum is σ = 105432300. Its totient is φ = 27563200.

The previous prime is 55678459. The next prime is 55678499. The reversal of 55678472 is 27487655.

It can be written as a sum of positive squares in 2 ways, for example, as 46594276 + 9084196 = 6826^2 + 3014^2 .

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, 33647 + ... + 35262.

Almost surely, 2^55678472 is an apocalyptic number.

It is an amenable number.

55678472 is a deficient number, since it is larger than the sum of its proper divisors (49753828).

55678472 is a wasteful number, since it uses less digits than its factorization.

55678472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69016 (or 69012 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 55678472 is about 7461.8008550215. The cubic root of 55678472 is about 381.8526153100.

The spelling of 55678472 in words is "fifty-five million, six hundred seventy-eight thousand, four hundred seventy-two".