53130257 has 4 divisors (see below), whose sum is σ = 54260736. Its totient is φ = 51999780.

The previous prime is 53130247. The next prime is 53130269. The reversal of 53130257 is 75203135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53130257 - 2⁶ = 53130193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53130247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565169 + ... + 565262.

It is an arithmetic number, because the mean of its divisors is an integer number (13565184).

Almost surely, 2^53130257 is an apocalyptic number.

It is an amenable number.

53130257 is a deficient number, since it is larger than the sum of its proper divisors (1130479).

53130257 is a wasteful number, since it uses less digits than its factorization.

53130257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130478.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53130257 is about 7289.0504868604. The cubic root of 53130257 is about 375.9360485207.

The spelling of 53130257 in words is "fifty-three million, one hundred thirty thousand, two hundred fifty-seven".