83551412 has 24 divisors (see below), whose sum is σ = 169600704. Its totient is φ = 35272512.

The previous prime is 83551393. The next prime is 83551423. The reversal of 83551412 is 21415538.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20393 + ... + 24144.

It is an arithmetic number, because the mean of its divisors is an integer number (7066696).

Almost surely, 2^83551412 is an apocalyptic number.

It is an amenable number.

83551412 is an abundant number, since it is smaller than the sum of its proper divisors (86049292).

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

83551412 is a wasteful number, since it uses less digits than its factorization.

83551412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44615 (or 44613 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 83551412 is about 9140.6461478388. The cubic root of 83551412 is about 437.1709190084.

The spelling of 83551412 in words is "eighty-three million, five hundred fifty-one thousand, four hundred twelve".