83553426 has 24 divisors (see below), whose sum is σ = 197490384. Its totient is φ = 25319160.

The previous prime is 83553403. The next prime is 83553461. The reversal of 83553426 is 62435538.

It is a happy number.

83553426 is a `hidden beast` number, since 83 + 553 + 4 + 26 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210796 + ... + 211191.

It is an arithmetic number, because the mean of its divisors is an integer number (8228766).

Almost surely, 2^83553426 is an apocalyptic number.

83553426 is an abundant number, since it is smaller than the sum of its proper divisors (113936958).

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

83553426 is a wasteful number, since it uses less digits than its factorization.

83553426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422006 (or 422003 counting only the distinct ones).

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

The square root of 83553426 is about 9140.7563144414. The cubic root of 83553426 is about 437.1744316367.

It can be divided in two parts, 8355 and 3426, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 83553426 in words is "eighty-three million, five hundred fifty-three thousand, four hundred twenty-six".