55340953 has 2 divisors, whose sum is σ = 55340954. Its totient is φ = 55340952.

The previous prime is 55340951. The next prime is 55340963. The reversal of 55340953 is 35904355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 18045504 = 6107^2 + 4248^2 .

It is a cyclic number.

It is not a de Polignac number, because 55340953 - 2¹ = 55340951 is a prime.

Together with 55340951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55340951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27670476 + 27670477.

It is an arithmetic number, because the mean of its divisors is an integer number (27670477).

Almost surely, 2^55340953 is an apocalyptic number.

It is an amenable number.

55340953 is a deficient number, since it is larger than the sum of its proper divisors (1).

55340953 is an equidigital number, since it uses as much as digits as its factorization.

55340953 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55340953 is about 7439.1500186513. The cubic root of 55340953 is about 381.0794629921.

The spelling of 55340953 in words is "fifty-five million, three hundred forty thousand, nine hundred fifty-three".