55435319 has 2 divisors, whose sum is σ = 55435320. Its totient is φ = 55435318.

The previous prime is 55435291. The next prime is 55435337. The reversal of 55435319 is 91353455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55435319 - 2¹² = 55431223 is a prime.

It is a super-2 number, since 2×55435319² = 6146149185263522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55435339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27717659 + 27717660.

It is an arithmetic number, because the mean of its divisors is an integer number (27717660).

Almost surely, 2^55435319 is an apocalyptic number.

55435319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55435319 is an equidigital number, since it uses as much as digits as its factorization.

55435319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 35.

The square root of 55435319 is about 7445.4898428512. The cubic root of 55435319 is about 381.2959423628.

The spelling of 55435319 in words is "fifty-five million, four hundred thirty-five thousand, three hundred nineteen".