53498989 has 8 divisors (see below), whose sum is σ = 56039040. Its totient is φ = 50976816.

The previous prime is 53498981. The next prime is 53499001. The reversal of 53498989 is 98989435.

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

It is a cyclic number.

It is not a de Polignac number, because 53498989 - 2³ = 53498981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53498981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (7004880).

Almost surely, 2^53498989 is an apocalyptic number.

It is an amenable number.

53498989 is a deficient number, since it is larger than the sum of its proper divisors (2540051).

53498989 is a wasteful number, since it uses less digits than its factorization.

53498989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939.

The product of its digits is 2799360, while the sum is 55.

The square root of 53498989 is about 7314.3003083002. The cubic root of 53498989 is about 376.8037286284.

The spelling of 53498989 in words is "fifty-three million, four hundred ninety-eight thousand, nine hundred eighty-nine".