53057775 has 12 divisors (see below), whose sum is σ = 87722312. Its totient is φ = 28297440.

The previous prime is 53057759. The next prime is 53057777. The reversal of 53057775 is 57775035.

It is not a de Polignac number, because 53057775 - 2⁴ = 53057759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353644 + ... + 353793.

Almost surely, 2^53057775 is an apocalyptic number.

53057775 is a deficient number, since it is larger than the sum of its proper divisors (34664537).

53057775 is a wasteful number, since it uses less digits than its factorization.

53057775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707450 (or 707445 counting only the distinct ones).

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 53057775 is about 7284.0768117861. The cubic root of 53057775 is about 375.7650160510.

The spelling of 53057775 in words is "fifty-three million, fifty-seven thousand, seven hundred seventy-five".