53198737 has 4 divisors (see below), whose sum is σ = 53992816. Its totient is φ = 52404660.

The previous prime is 53198723. The next prime is 53198753. The reversal of 53198737 is 73789135.

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 a de Polignac number, because none of the positive numbers 2^k-53198737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53198693 and 53198702.

It is not an unprimeable number, because it can be changed into a prime (53190737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396939 + ... + 397072.

It is an arithmetic number, because the mean of its divisors is an integer number (13498204).

Almost surely, 2^53198737 is an apocalyptic number.

It is an amenable number.

53198737 is a deficient number, since it is larger than the sum of its proper divisors (794079).

53198737 is an equidigital number, since it uses as much as digits as its factorization.

53198737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794078.

The product of its digits is 158760, while the sum is 43.

The square root of 53198737 is about 7293.7464310188. The cubic root of 53198737 is about 376.0974948062.

It can be divided in two parts, 53198 and 737, that added together give a palindrome (53935).

The spelling of 53198737 in words is "fifty-three million, one hundred ninety-eight thousand, seven hundred thirty-seven".