55034813 has 2 divisors, whose sum is σ = 55034814. Its totient is φ = 55034812.

The previous prime is 55034807. The next prime is 55034851. The reversal of 55034813 is 31843055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 11303044 = 6613^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 55034813 - 2⁸ = 55034557 is a prime.

It is a super-3 number, since 3×55034813³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55034513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517406 + 27517407.

It is an arithmetic number, because the mean of its divisors is an integer number (27517407).

Almost surely, 2^55034813 is an apocalyptic number.

It is an amenable number.

55034813 is a deficient number, since it is larger than the sum of its proper divisors (1).

55034813 is an equidigital number, since it uses as much as digits as its factorization.

55034813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55034813 is about 7418.5452077884. The cubic root of 55034813 is about 380.3754668402.

Adding to 55034813 its reverse (31843055), we get a palindrome (86877868).

The spelling of 55034813 in words is "fifty-five million, thirty-four thousand, eight hundred thirteen".