83950551 has 6 divisors (see below), whose sum is σ = 121261920. Its totient is φ = 55967028.

The previous prime is 83950549. The next prime is 83950567. The reversal of 83950551 is 15505938.

It is a happy number.

It is not a de Polignac number, because 83950551 - 2¹ = 83950549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83950541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4663911 + ... + 4663928.

It is an arithmetic number, because the mean of its divisors is an integer number (20210320).

Almost surely, 2^83950551 is an apocalyptic number.

83950551 is a deficient number, since it is larger than the sum of its proper divisors (37311369).

83950551 is a wasteful number, since it uses less digits than its factorization.

83950551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327845 (or 9327842 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 83950551 is about 9162.4533286669. The cubic root of 83950551 is about 437.8659594844.

The spelling of 83950551 in words is "eighty-three million, nine hundred fifty thousand, five hundred fifty-one".