53097389 has 16 divisors (see below), whose sum is σ = 57091584. Its totient is φ = 49291200.

The previous prime is 53097377. The next prime is 53097391. The reversal of 53097389 is 98379035.

53097389 = T₃₀ + T₃₁ + ... + T₆₈₂.

It is a cyclic number.

It is not a de Polignac number, because 53097389 - 2²⁴ = 36320173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53097329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80987 + ... + 81639.

It is an arithmetic number, because the mean of its divisors is an integer number (3568224).

Almost surely, 2^53097389 is an apocalyptic number.

It is an amenable number.

53097389 is a deficient number, since it is larger than the sum of its proper divisors (3994195).

53097389 is a wasteful number, since it uses less digits than its factorization.

53097389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 53097389 is about 7286.7955234108. The cubic root of 53097389 is about 375.8585106882.

The spelling of 53097389 in words is "fifty-three million, ninety-seven thousand, three hundred eighty-nine".