53653757 has 2 divisors, whose sum is σ = 53653758. Its totient is φ = 53653756.

The previous prime is 53653753. The next prime is 53653763. The reversal of 53653757 is 75735635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 14853316 = 6229^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 53653757 - 2² = 53653753 is a prime.

It is a super-3 number, since 3×53653757³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53653753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26826878 + 26826879.

It is an arithmetic number, because the mean of its divisors is an integer number (26826879).

Almost surely, 2^53653757 is an apocalyptic number.

It is an amenable number.

53653757 is a deficient number, since it is larger than the sum of its proper divisors (1).

53653757 is an equidigital number, since it uses as much as digits as its factorization.

53653757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330750, while the sum is 41.

The square root of 53653757 is about 7324.8724903578. The cubic root of 53653757 is about 377.1667324611.

The spelling of 53653757 in words is "fifty-three million, six hundred fifty-three thousand, seven hundred fifty-seven".