55660930 has 16 divisors (see below), whose sum is σ = 107896824. Its totient is φ = 20551680.

The previous prime is 55660921. The next prime is 55660981. The reversal of 55660930 is 3906655.

It can be written as a sum of positive squares in 4 ways, for example, as 25816561 + 29844369 = 5081^2 + 5463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213951 + ... + 214210.

Almost surely, 2^55660930 is an apocalyptic number.

55660930 is a deficient number, since it is larger than the sum of its proper divisors (52235894).

55660930 is a wasteful number, since it uses less digits than its factorization.

55660930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428181.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 55660930 is about 7460.6253089135. The cubic root of 55660930 is about 381.8125090719.

The spelling of 55660930 in words is "fifty-five million, six hundred sixty thousand, nine hundred thirty".