83557038 has 8 divisors (see below), whose sum is σ = 167114088. Its totient is φ = 27852344.

The previous prime is 83557031. The next prime is 83557043. The reversal of 83557038 is 83075538.

It is a sphenic number, since it is the product of 3 distinct primes.

83557038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 83556987 and 83557005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83557031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6963081 + ... + 6963092.

It is an arithmetic number, because the mean of its divisors is an integer number (20889261).

Almost surely, 2^83557038 is an apocalyptic number.

83557038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83557038 is a wasteful number, since it uses less digits than its factorization.

83557038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926178.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 83557038 is about 9140.9538889549. The cubic root of 83557038 is about 437.1807312040.

The spelling of 83557038 in words is "eighty-three million, five hundred fifty-seven thousand, thirty-eight".