53506826 has 4 divisors (see below), whose sum is σ = 80260242. Its totient is φ = 26753412.

The previous prime is 53506823. The next prime is 53506829. The reversal of 53506826 is 62860535.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53506823) and next prime (53506829).

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 9616201 = 6625^2 + 3101^2 .

It is not an unprimeable number, because it can be changed into a prime (53506823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13376705 + ... + 13376708.

Almost surely, 2^53506826 is an apocalyptic number.

53506826 is a deficient number, since it is larger than the sum of its proper divisors (26753416).

53506826 is a wasteful number, since it uses less digits than its factorization.

53506826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26753415.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 53506826 is about 7314.8360200349. The cubic root of 53506826 is about 376.8221268990.

The spelling of 53506826 in words is "fifty-three million, five hundred six thousand, eight hundred twenty-six".