53543826 has 48 divisors (see below), whose sum is σ = 133036800. Its totient is φ = 15246144.

The previous prime is 53543813. The next prime is 53543879. The reversal of 53543826 is 62834535.

It is a happy number.

53543826 is a `hidden beast` number, since 535 + 43 + 82 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51015 + ... + 52053.

It is an arithmetic number, because the mean of its divisors is an integer number (2771600).

Almost surely, 2^53543826 is an apocalyptic number.

53543826 is an abundant number, since it is smaller than the sum of its proper divisors (79492974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53543826 is a wasteful number, since it uses less digits than its factorization.

53543826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53543826 is about 7317.3646895587. The cubic root of 53543826 is about 376.9089644563.

It can be divided in two parts, 5354 and 3826, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 53543826 in words is "fifty-three million, five hundred forty-three thousand, eight hundred twenty-six".