53392187 has 2 divisors, whose sum is σ = 53392188. Its totient is φ = 53392186.

The previous prime is 53392153. The next prime is 53392193. The reversal of 53392187 is 78129335.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53392187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53392187.

It is not a weakly prime, because it can be changed into another prime (53392487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26696093 + 26696094.

It is an arithmetic number, because the mean of its divisors is an integer number (26696094).

Almost surely, 2^53392187 is an apocalyptic number.

53392187 is a deficient number, since it is larger than the sum of its proper divisors (1).

53392187 is an equidigital number, since it uses as much as digits as its factorization.

53392187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 53392187 is about 7306.9957574916. The cubic root of 53392187 is about 376.5528192056.

The spelling of 53392187 in words is "fifty-three million, three hundred ninety-two thousand, one hundred eighty-seven".