53097191 has 8 divisors (see below), whose sum is σ = 63876480. Its totient is φ = 43116408.

The previous prime is 53097181. The next prime is 53097197. The reversal of 53097191 is 19179035.

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 53097191 - 2⁶ = 53097127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53097197) 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, 199481 + ... + 199746.

It is an arithmetic number, because the mean of its divisors is an integer number (7984560).

Almost surely, 2^53097191 is an apocalyptic number.

53097191 is a deficient number, since it is larger than the sum of its proper divisors (10779289).

53097191 is a wasteful number, since it uses less digits than its factorization.

53097191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399253.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 53097191 is about 7286.7819371791. The cubic root of 53097191 is about 375.8580434958.

The spelling of 53097191 in words is "fifty-three million, ninety-seven thousand, one hundred ninety-one".