55340501 has 2 divisors, whose sum is σ = 55340502. Its totient is φ = 55340500.

The previous prime is 55340489. The next prime is 55340503. The reversal of 55340501 is 10504355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36893476 + 18447025 = 6074^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 55340501 - 2⁶ = 55340437 is a prime.

Together with 55340503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55340503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27670250 + 27670251.

It is an arithmetic number, because the mean of its divisors is an integer number (27670251).

Almost surely, 2^55340501 is an apocalyptic number.

It is an amenable number.

55340501 is a deficient number, since it is larger than the sum of its proper divisors (1).

55340501 is an equidigital number, since it uses as much as digits as its factorization.

55340501 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55340501 is about 7439.1196387745. The cubic root of 55340501 is about 381.0784254941.

Adding to 55340501 its reverse (10504355), we get a palindrome (65844856).

The spelling of 55340501 in words is "fifty-five million, three hundred forty thousand, five hundred one".