55047628 has 6 divisors (see below), whose sum is σ = 96333356. Its totient is φ = 27523812.

The previous prime is 55047607. The next prime is 55047631. The reversal of 55047628 is 82674055.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6880950 + ... + 6880957.

Almost surely, 2^55047628 is an apocalyptic number.

It is an amenable number.

55047628 is a deficient number, since it is larger than the sum of its proper divisors (41285728).

55047628 is a wasteful number, since it uses less digits than its factorization.

55047628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761911 (or 13761909 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55047628 is about 7419.4088713320. The cubic root of 55047628 is about 380.4049883560.

The spelling of 55047628 in words is "fifty-five million, forty-seven thousand, six hundred twenty-eight".