55030753 has 2 divisors, whose sum is σ = 55030754. Its totient is φ = 55030752.

The previous prime is 55030741. The next prime is 55030757. The reversal of 55030753 is 35703055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37112464 + 17918289 = 6092^2 + 4233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55030753 is a prime.

It is a super-3 number, since 3×55030753³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55030757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515376 + 27515377.

It is an arithmetic number, because the mean of its divisors is an integer number (27515377).

Almost surely, 2^55030753 is an apocalyptic number.

It is an amenable number.

55030753 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030753 is an equidigital number, since it uses as much as digits as its factorization.

55030753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 55030753 is about 7418.2715641853. The cubic root of 55030753 is about 380.3661129889.

The spelling of 55030753 in words is "fifty-five million, thirty thousand, seven hundred fifty-three".