53757745 has 16 divisors (see below), whose sum is σ = 68112000. Its totient is φ = 40618368.

The previous prime is 53757731. The next prime is 53757749. The reversal of 53757745 is 54775735.

It is a cyclic number.

It is not a de Polignac number, because 53757745 - 2⁵ = 53757713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53757749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41061 + ... + 42349.

It is an arithmetic number, because the mean of its divisors is an integer number (4257000).

Almost surely, 2^53757745 is an apocalyptic number.

It is an amenable number.

53757745 is a deficient number, since it is larger than the sum of its proper divisors (14354255).

53757745 is a wasteful number, since it uses less digits than its factorization.

53757745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 514500, while the sum is 43.

The square root of 53757745 is about 7331.9673348972. The cubic root of 53757745 is about 377.4102413674.

The spelling of 53757745 in words is "fifty-three million, seven hundred fifty-seven thousand, seven hundred forty-five".