53555535 has 24 divisors (see below), whose sum is σ = 101269584. Its totient is φ = 25966080.

The previous prime is 53555527. The next prime is 53555549.

53555535 is a `hidden beast` number, since 53 + 55 + 553 + 5 = 666.

53555535 is nontrivially palindromic in base 10.

53555535 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 53555535 - 2³ = 53555527 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 53555535.

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, 53602 + ... + 54591.

It is an arithmetic number, because the mean of its divisors is an integer number (4219566).

Almost surely, 2^53555535 is an apocalyptic number.

53555535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53555535 is a deficient number, since it is larger than the sum of its proper divisors (47714049).

53555535 is a wasteful number, since it uses less digits than its factorization.

53555535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108215 (or 108212 counting only the distinct ones).

The product of its digits is 140625, while the sum is 36.

The square root of 53555535 is about 7318.1647289467. The cubic root of 53555535 is about 376.9364366894.

The spelling of 53555535 in words is "fifty-three million, five hundred fifty-five thousand, five hundred thirty-five".