55830386 has 8 divisors (see below), whose sum is σ = 83780460. Its totient is φ = 27903568.

The previous prime is 55830371. The next prime is 55830403. The reversal of 55830386 is 68303855.

It can be written as a sum of positive squares in 2 ways, for example, as 48372025 + 7458361 = 6955^2 + 2731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660 + ... + 10896.

Almost surely, 2^55830386 is an apocalyptic number.

55830386 is a deficient number, since it is larger than the sum of its proper divisors (27950074).

55830386 is a wasteful number, since it uses less digits than its factorization.

55830386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55830386 is about 7471.9733671902. The cubic root of 55830386 is about 382.1995841271.

The spelling of 55830386 in words is "fifty-five million, eight hundred thirty thousand, three hundred eighty-six".