55190753 has 2 divisors, whose sum is σ = 55190754. Its totient is φ = 55190752.

The previous prime is 55190699. The next prime is 55190761. The reversal of 55190753 is 35709155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 253009 = 7412^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 55190753 - 2¹² = 55186657 is a prime.

It is a super-3 number, since 3×55190753³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55190353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27595376 + 27595377.

It is an arithmetic number, because the mean of its divisors is an integer number (27595377).

Almost surely, 2^55190753 is an apocalyptic number.

It is an amenable number.

55190753 is a deficient number, since it is larger than the sum of its proper divisors (1).

55190753 is an equidigital number, since it uses as much as digits as its factorization.

55190753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 55190753 is about 7429.0479201577. The cubic root of 55190753 is about 380.7343900488.

The spelling of 55190753 in words is "fifty-five million, one hundred ninety thousand, seven hundred fifty-three".