55452511 has 2 divisors, whose sum is σ = 55452512. Its totient is φ = 55452510.

The previous prime is 55452503. The next prime is 55452533. The reversal of 55452511 is 11525455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55452511 - 2³ = 55452503 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55452511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55452571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27726255 + 27726256.

It is an arithmetic number, because the mean of its divisors is an integer number (27726256).

Almost surely, 2^55452511 is an apocalyptic number.

55452511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55452511 is an equidigital number, since it uses as much as digits as its factorization.

55452511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000, while the sum is 28.

The square root of 55452511 is about 7446.6442777939. The cubic root of 55452511 is about 381.3353550358.

Adding to 55452511 its reverse (11525455), we get a palindrome (66977966).

The spelling of 55452511 in words is "fifty-five million, four hundred fifty-two thousand, five hundred eleven".