53498191 has 4 divisors (see below), whose sum is σ = 54405000. Its totient is φ = 52591384.

The previous prime is 53498183. The next prime is 53498197. The reversal of 53498191 is 19189435.

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

It is a cyclic number.

It is not a de Polignac number, because 53498191 - 2³ = 53498183 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 (53498197) 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, 453316 + ... + 453433.

It is an arithmetic number, because the mean of its divisors is an integer number (13601250).

Almost surely, 2^53498191 is an apocalyptic number.

53498191 is a deficient number, since it is larger than the sum of its proper divisors (906809).

53498191 is an equidigital number, since it uses as much as digits as its factorization.

53498191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906808.

The product of its digits is 38880, while the sum is 40.

The square root of 53498191 is about 7314.2457574243. The cubic root of 53498191 is about 376.8018551296.

The spelling of 53498191 in words is "fifty-three million, four hundred ninety-eight thousand, one hundred ninety-one".