55680458 has 8 divisors (see below), whose sum is σ = 84665028. Its totient is φ = 27458784.

The previous prime is 55680451. The next prime is 55680463. The reversal of 55680458 is 85408655.

It can be written as a sum of positive squares in 2 ways, for example, as 54125449 + 1555009 = 7357^2 + 1247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55680451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190541 + ... + 190832.

Almost surely, 2^55680458 is an apocalyptic number.

55680458 is a deficient number, since it is larger than the sum of its proper divisors (28984570).

55680458 is a wasteful number, since it uses less digits than its factorization.

55680458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381448.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 55680458 is about 7461.9339316293. The cubic root of 55680458 is about 381.8571553668.

The spelling of 55680458 in words is "fifty-five million, six hundred eighty thousand, four hundred fifty-eight".