53198438 has 4 divisors (see below), whose sum is σ = 79797660. Its totient is φ = 26599218.

The previous prime is 53198413. The next prime is 53198447. The reversal of 53198438 is 83489135.

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

It is a junction number, because it is equal to n+sod(n) for n = 53198395 and 53198404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13299608 + ... + 13299611.

It is an arithmetic number, because the mean of its divisors is an integer number (19949415).

Almost surely, 2^53198438 is an apocalyptic number.

53198438 is a deficient number, since it is larger than the sum of its proper divisors (26599222).

53198438 is a wasteful number, since it uses less digits than its factorization.

53198438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26599221.

The product of its digits is 103680, while the sum is 41.

The square root of 53198438 is about 7293.7259339791. The cubic root of 53198438 is about 376.0967901945.

The spelling of 53198438 in words is "fifty-three million, one hundred ninety-eight thousand, four hundred thirty-eight".