55338953 has 2 divisors, whose sum is σ = 55338954. Its totient is φ = 55338952.

The previous prime is 55338919. The next prime is 55338967. The reversal of 55338953 is 35983355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55234624 + 104329 = 7432^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 55338953 - 2¹⁶ = 55273417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55338953.

It is not a weakly prime, because it can be changed into another prime (55368953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27669476 + 27669477.

It is an arithmetic number, because the mean of its divisors is an integer number (27669477).

Almost surely, 2^55338953 is an apocalyptic number.

It is an amenable number.

55338953 is a deficient number, since it is larger than the sum of its proper divisors (1).

55338953 is an equidigital number, since it uses as much as digits as its factorization.

55338953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 41.

The square root of 55338953 is about 7439.0155934774. The cubic root of 55338953 is about 381.0748722501.

The spelling of 55338953 in words is "fifty-five million, three hundred thirty-eight thousand, nine hundred fifty-three".