53930287 has 2 divisors, whose sum is σ = 53930288. Its totient is φ = 53930286.

The previous prime is 53930269. The next prime is 53930321. The reversal of 53930287 is 78203935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53930287 - 2⁷ = 53930159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53930207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26965143 + 26965144.

It is an arithmetic number, because the mean of its divisors is an integer number (26965144).

Almost surely, 2^53930287 is an apocalyptic number.

53930287 is a deficient number, since it is larger than the sum of its proper divisors (1).

53930287 is an equidigital number, since it uses as much as digits as its factorization.

53930287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 53930287 is about 7343.7243276147. The cubic root of 53930287 is about 377.8135914497.

The spelling of 53930287 in words is "fifty-three million, nine hundred thirty thousand, two hundred eighty-seven".