53909198 has 8 divisors (see below), whose sum is σ = 92415792. Its totient is φ = 23103936.

The previous prime is 53909197. The next prime is 53909201. The reversal of 53909198 is 89190935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53909197) 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, 1925315 + ... + 1925342.

It is an arithmetic number, because the mean of its divisors is an integer number (11551974).

Almost surely, 2^53909198 is an apocalyptic number.

53909198 is a deficient number, since it is larger than the sum of its proper divisors (38506594).

53909198 is a wasteful number, since it uses less digits than its factorization.

53909198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850666.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 53909198 is about 7342.2883353897. The cubic root of 53909198 is about 377.7643380519.

The spelling of 53909198 in words is "fifty-three million, nine hundred nine thousand, one hundred ninety-eight".