53775307 has 2 divisors, whose sum is σ = 53775308. Its totient is φ = 53775306.

The previous prime is 53775299. The next prime is 53775317. The reversal of 53775307 is 70357735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53775307 - 2³ = 53775299 is a prime.

It is not a weakly prime, because it can be changed into another prime (53775317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26887653 + 26887654.

It is an arithmetic number, because the mean of its divisors is an integer number (26887654).

Almost surely, 2^53775307 is an apocalyptic number.

53775307 is a deficient number, since it is larger than the sum of its proper divisors (1).

53775307 is an equidigital number, since it uses as much as digits as its factorization.

53775307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77175, while the sum is 37.

The square root of 53775307 is about 7333.1648692771. The cubic root of 53775307 is about 377.4513353346.

The spelling of 53775307 in words is "fifty-three million, seven hundred seventy-five thousand, three hundred seven".