55708330 has 8 divisors (see below), whose sum is σ = 100275012. Its totient is φ = 22283328.

The previous prime is 55708327. The next prime is 55708343. The reversal of 55708330 is 3380755.

It can be written as a sum of positive squares in 2 ways, for example, as 51940849 + 3767481 = 7207^2 + 1941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55708292 and 55708301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785407 + ... + 2785426.

Almost surely, 2^55708330 is an apocalyptic number.

55708330 is a deficient number, since it is larger than the sum of its proper divisors (44566682).

55708330 is a wasteful number, since it uses less digits than its factorization.

55708330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570840.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55708330 is about 7463.8013103244. The cubic root of 55708330 is about 381.9208602263.

The spelling of 55708330 in words is "fifty-five million, seven hundred eight thousand, three hundred thirty".