53498663 has 4 divisors (see below), whose sum is σ = 54405480. Its totient is φ = 52591848.

The previous prime is 53498657. The next prime is 53498717. The reversal of 53498663 is 36689435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53498663 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 (53491663) 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, 453320 + ... + 453437.

It is an arithmetic number, because the mean of its divisors is an integer number (13601370).

Almost surely, 2^53498663 is an apocalyptic number.

53498663 is a deficient number, since it is larger than the sum of its proper divisors (906817).

53498663 is an equidigital number, since it uses as much as digits as its factorization.

53498663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906816.

The product of its digits is 466560, while the sum is 44.

The square root of 53498663 is about 7314.2780231544. The cubic root of 53498663 is about 376.8029632665.

The spelling of 53498663 in words is "fifty-three million, four hundred ninety-eight thousand, six hundred sixty-three".