53631765 has 24 divisors (see below), whose sum is σ = 101413728. Its totient is φ = 26003040.

The previous prime is 53631751. The next prime is 53631797. The reversal of 53631765 is 56713635.

It is a happy number.

53631765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53631765 - 2⁵ = 53631733 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53679 + ... + 54668.

It is an arithmetic number, because the mean of its divisors is an integer number (4225572).

Almost surely, 2^53631765 is an apocalyptic number.

53631765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53631765 is a deficient number, since it is larger than the sum of its proper divisors (47781963).

53631765 is a wasteful number, since it uses less digits than its factorization.

53631765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108369 (or 108366 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 53631765 is about 7323.3711499555. The cubic root of 53631765 is about 377.1151934525.

The spelling of 53631765 in words is "fifty-three million, six hundred thirty-one thousand, seven hundred sixty-five".