55830893 has 2 divisors, whose sum is σ = 55830894. Its totient is φ = 55830892.

The previous prime is 55830883. The next prime is 55830953. The reversal of 55830893 is 39803855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 8743849 = 6862^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 55830893 - 2¹⁰ = 55829869 is a prime.

It is a super-2 number, since 2×55830893² = 6234177226354898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55830893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55830823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27915446 + 27915447.

It is an arithmetic number, because the mean of its divisors is an integer number (27915447).

Almost surely, 2^55830893 is an apocalyptic number.

It is an amenable number.

55830893 is a deficient number, since it is larger than the sum of its proper divisors (1).

55830893 is an equidigital number, since it uses as much as digits as its factorization.

55830893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 55830893 is about 7472.0072938937. The cubic root of 55830893 is about 382.2007410515.

The spelling of 55830893 in words is "fifty-five million, eight hundred thirty thousand, eight hundred ninety-three".