53242197 has 4 divisors (see below), whose sum is σ = 70989600. Its totient is φ = 35494796.

The previous prime is 53242193. The next prime is 53242201. The reversal of 53242197 is 79124235.

53242197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (53242193) and next prime (53242201).

It is a cyclic number.

It is not a de Polignac number, because 53242197 - 2² = 53242193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53242193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873697 + ... + 8873702.

It is an arithmetic number, because the mean of its divisors is an integer number (17747400).

Almost surely, 2^53242197 is an apocalyptic number.

It is an amenable number.

53242197 is a deficient number, since it is larger than the sum of its proper divisors (17747403).

53242197 is a wasteful number, since it uses less digits than its factorization.

53242197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747402.

The product of its digits is 15120, while the sum is 33.

The square root of 53242197 is about 7296.7250873251. The cubic root of 53242197 is about 376.1998828770.

The spelling of 53242197 in words is "fifty-three million, two hundred forty-two thousand, one hundred ninety-seven".