55560628 has 6 divisors (see below), whose sum is σ = 97231106. Its totient is φ = 27780312.

The previous prime is 55560613. The next prime is 55560629. The reversal of 55560628 is 82606555.

It can be written as a sum of positive squares in only one way, i.e., 43533604 + 12027024 = 6598^2 + 3468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945075 + ... + 6945082.

Almost surely, 2^55560628 is an apocalyptic number.

It is an amenable number.

55560628 is a deficient number, since it is larger than the sum of its proper divisors (41670478).

55560628 is a wasteful number, since it uses less digits than its factorization.

55560628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890161 (or 13890159 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 55560628 is about 7453.9001871503. The cubic root of 55560628 is about 381.5830268298.

The spelling of 55560628 in words is "fifty-five million, five hundred sixty thousand, six hundred twenty-eight".