53603797 has 4 divisors (see below), whose sum is σ = 57727180. Its totient is φ = 49480416.

The previous prime is 53603761. The next prime is 53603857. The reversal of 53603797 is 79730635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23726641 + 29877156 = 4871^2 + 5466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53603797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53603597) 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, 2061672 + ... + 2061697.

It is an arithmetic number, because the mean of its divisors is an integer number (14431795).

Almost surely, 2^53603797 is an apocalyptic number.

It is an amenable number.

53603797 is a deficient number, since it is larger than the sum of its proper divisors (4123383).

53603797 is a wasteful number, since it uses less digits than its factorization.

53603797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123382.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 53603797 is about 7321.4613978358. The cubic root of 53603797 is about 377.0496291260.

The spelling of 53603797 in words is "fifty-three million, six hundred three thousand, seven hundred ninety-seven".