53198577 has 6 divisors (see below), whose sum is σ = 76842402. Its totient is φ = 35465712.

The previous prime is 53198549. The next prime is 53198597. The reversal of 53198577 is 77589135.

It can be written as a sum of positive squares in only one way, i.e., 50253921 + 2944656 = 7089^2 + 1716^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53198577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53198597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2955468 + ... + 2955485.

It is an arithmetic number, because the mean of its divisors is an integer number (12807067).

Almost surely, 2^53198577 is an apocalyptic number.

It is an amenable number.

53198577 is a deficient number, since it is larger than the sum of its proper divisors (23643825).

53198577 is a wasteful number, since it uses less digits than its factorization.

53198577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910959 (or 5910956 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 53198577 is about 7293.7354627104. The cubic root of 53198577 is about 376.0971177568.

The spelling of 53198577 in words is "fifty-three million, one hundred ninety-eight thousand, five hundred seventy-seven".