53711287 has 16 divisors (see below), whose sum is σ = 63217152. Its totient is φ = 44684640.

The previous prime is 53711269. The next prime is 53711291. The reversal of 53711287 is 78211735.

It is not a de Polignac number, because 53711287 - 2⁷ = 53711159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53711227) 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, 32493 + ... + 34105.

It is an arithmetic number, because the mean of its divisors is an integer number (3951072).

Almost surely, 2^53711287 is an apocalyptic number.

53711287 is a deficient number, since it is larger than the sum of its proper divisors (9505865).

53711287 is a wasteful number, since it uses less digits than its factorization.

53711287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its digits is 11760, while the sum is 34.

The square root of 53711287 is about 7328.7984690534. The cubic root of 53711287 is about 377.3014894201.

The spelling of 53711287 in words is "fifty-three million, seven hundred eleven thousand, two hundred eighty-seven".