55295993 has 2 divisors, whose sum is σ = 55295994. Its totient is φ = 55295992.

The previous prime is 55295969. The next prime is 55296037. The reversal of 55295993 is 39959255.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52243984 + 3052009 = 7228^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 55295993 - 2¹² = 55291897 is a prime.

It is not a weakly prime, because it can be changed into another prime (55295393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27647996 + 27647997.

It is an arithmetic number, because the mean of its divisors is an integer number (27647997).

Almost surely, 2^55295993 is an apocalyptic number.

It is an amenable number.

55295993 is a deficient number, since it is larger than the sum of its proper divisors (1).

55295993 is an equidigital number, since it uses as much as digits as its factorization.

55295993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 546750, while the sum is 47.

The square root of 55295993 is about 7436.1275540432. The cubic root of 55295993 is about 380.9762363963.

The spelling of 55295993 in words is "fifty-five million, two hundred ninety-five thousand, nine hundred ninety-three".