53057797 has 8 divisors (see below), whose sum is σ = 57457400. Its totient is φ = 48703680.

The previous prime is 53057789. The next prime is 53057863. The reversal of 53057797 is 79775035.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 50893956 = 1471^2 + 7134^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53057797 - 2³ = 53057789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057707) 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 7 ways as a sum of consecutive naturals, for example, 8922 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (7182175).

Almost surely, 2^53057797 is an apocalyptic number.

It is an amenable number.

53057797 is a deficient number, since it is larger than the sum of its proper divisors (4399603).

53057797 is a wasteful number, since it uses less digits than its factorization.

53057797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743.

The product of its (nonzero) digits is 231525, while the sum is 43.

The square root of 53057797 is about 7284.0783219293. The cubic root of 53057797 is about 375.7650679870.

The spelling of 53057797 in words is "fifty-three million, fifty-seven thousand, seven hundred ninety-seven".