55543093 has 2 divisors, whose sum is σ = 55543094. Its totient is φ = 55543092.

The previous prime is 55543051. The next prime is 55543109. The reversal of 55543093 is 39034555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 11546404 = 6633^2 + 3398^2 .

It is a cyclic number.

It is not a de Polignac number, because 55543093 - 2¹³ = 55534901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55543193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27771546 + 27771547.

It is an arithmetic number, because the mean of its divisors is an integer number (27771547).

Almost surely, 2^55543093 is an apocalyptic number.

It is an amenable number.

55543093 is a deficient number, since it is larger than the sum of its proper divisors (1).

55543093 is an equidigital number, since it uses as much as digits as its factorization.

55543093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 55543093 is about 7452.7238644673. The cubic root of 55543093 is about 381.5428799210.

The spelling of 55543093 in words is "fifty-five million, five hundred forty-three thousand, ninety-three".