55025933 has 2 divisors, whose sum is σ = 55025934. Its totient is φ = 55025932.

The previous prime is 55025917. The next prime is 55025947. The reversal of 55025933 is 33952055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33616804 + 21409129 = 5798^2 + 4627^2 .

It is a cyclic number.

It is not a de Polignac number, because 55025933 - 2⁴ = 55025917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55025933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55025983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512966 + 27512967.

It is an arithmetic number, because the mean of its divisors is an integer number (27512967).

Almost surely, 2^55025933 is an apocalyptic number.

It is an amenable number.

55025933 is a deficient number, since it is larger than the sum of its proper divisors (1).

55025933 is an equidigital number, since it uses as much as digits as its factorization.

55025933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 55025933 is about 7417.9466835506. The cubic root of 55025933 is about 380.3550075730.

Adding to 55025933 its reverse (33952055), we get a palindrome (88977988).

The spelling of 55025933 in words is "fifty-five million, twenty-five thousand, nine hundred thirty-three".