83850583550 has 24 divisors (see below), whose sum is σ = 156955489176. Its totient is φ = 33326598240.

The previous prime is 83850583547. The next prime is 83850583559. The reversal of 83850583550 is 5538505838.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83850583559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5332952 + ... + 5348651.

It is an arithmetic number, because the mean of its divisors is an integer number (6539812049).

Almost surely, 2^83850583550 is an apocalyptic number.

83850583550 is a deficient number, since it is larger than the sum of its proper divisors (73104905626).

83850583550 is a wasteful number, since it uses less digits than its factorization.

83850583550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681772 (or 10681767 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 50.

It can be divided in two parts, 8385058 and 3550, that added together give a 23-rd power (8388608 = 2²³).

The spelling of 83850583550 in words is "eighty-three billion, eight hundred fifty million, five hundred eighty-three thousand, five hundred fifty".