53391097 has 4 divisors (see below), whose sum is σ = 53410176. Its totient is φ = 53372020.

The previous prime is 53391089. The next prime is 53391127. The reversal of 53391097 is 79019335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53391097 - 2³ = 53391089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53391017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4429 + ... + 11242.

It is an arithmetic number, because the mean of its divisors is an integer number (13352544).

Almost surely, 2^53391097 is an apocalyptic number.

It is an amenable number.

53391097 is a deficient number, since it is larger than the sum of its proper divisors (19079).

53391097 is a wasteful number, since it uses less digits than its factorization.

53391097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 53391097 is about 7306.9211710542. The cubic root of 53391097 is about 376.5502567497.

The spelling of 53391097 in words is "fifty-three million, three hundred ninety-one thousand, ninety-seven".