55510043 has 2 divisors, whose sum is σ = 55510044. Its totient is φ = 55510042.

The previous prime is 55510009. The next prime is 55510051. The reversal of 55510043 is 34001555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55510043 - 2²² = 51315739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55510643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755021 + 27755022.

It is an arithmetic number, because the mean of its divisors is an integer number (27755022).

Almost surely, 2^55510043 is an apocalyptic number.

55510043 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510043 is an equidigital number, since it uses as much as digits as its factorization.

55510043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55510043 is about 7450.5062244119. The cubic root of 55510043 is about 381.4671879765.

Adding to 55510043 its reverse (34001555), we get a palindrome (89511598).

The spelling of 55510043 in words is "fifty-five million, five hundred ten thousand, forty-three".