53745773 has 2 divisors, whose sum is σ = 53745774. Its totient is φ = 53745772.

The previous prime is 53745761. The next prime is 53745817. The reversal of 53745773 is 37754735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 5484964 = 6947^2 + 2342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53745773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53745773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53745473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26872886 + 26872887.

It is an arithmetic number, because the mean of its divisors is an integer number (26872887).

Almost surely, 2^53745773 is an apocalyptic number.

It is an amenable number.

53745773 is a deficient number, since it is larger than the sum of its proper divisors (1).

53745773 is an equidigital number, since it uses as much as digits as its factorization.

53745773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308700, while the sum is 41.

The square root of 53745773 is about 7331.1508646324. The cubic root of 53745773 is about 377.3822225157.

The spelling of 53745773 in words is "fifty-three million, seven hundred forty-five thousand, seven hundred seventy-three".