53243757 has 32 divisors (see below), whose sum is σ = 94899200. Its totient is φ = 28821744.

The previous prime is 53243741. The next prime is 53243759. The reversal of 53243757 is 75734235.

It is not a de Polignac number, because 53243757 - 2⁴ = 53243741 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 (53243759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3823 + ... + 11004.

It is an arithmetic number, because the mean of its divisors is an integer number (2965600).

Almost surely, 2^53243757 is an apocalyptic number.

53243757 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53243757 is a deficient number, since it is larger than the sum of its proper divisors (41655443).

53243757 is a wasteful number, since it uses less digits than its factorization.

53243757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862 (or 14856 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53243757 is about 7296.8319838132. The cubic root of 53243757 is about 376.2035570685.

The spelling of 53243757 in words is "fifty-three million, two hundred forty-three thousand, seven hundred fifty-seven".