53571998 has 8 divisors (see below), whose sum is σ = 85084992. Its totient is φ = 25210336.

The previous prime is 53571997. The next prime is 53572003. The reversal of 53571998 is 89917535.

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 (53571997) 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, 787790 + ... + 787857.

It is an arithmetic number, because the mean of its divisors is an integer number (10635624).

Almost surely, 2^53571998 is an apocalyptic number.

53571998 is a deficient number, since it is larger than the sum of its proper divisors (31512994).

53571998 is a wasteful number, since it uses less digits than its factorization.

53571998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575666.

The product of its digits is 340200, while the sum is 47.

The square root of 53571998 is about 7319.2894463875. The cubic root of 53571998 is about 376.9750562196.

The spelling of 53571998 in words is "fifty-three million, five hundred seventy-one thousand, nine hundred ninety-eight".