83455500 has 192 divisors, whose sum is σ = 264176640. Its totient is φ = 20416000.

The previous prime is 83455469. The next prime is 83455501. The reversal of 83455500 is 555438.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (83455501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1414471 + ... + 1414529.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^83455500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83455500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

83455500 is an abundant number, since it is smaller than the sum of its proper divisors (180721140).

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

83455500 is a wasteful number, since it uses less digits than its factorization.

83455500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 83455500 is about 9135.3981850820. The cubic root of 83455500 is about 437.0035729765.

The spelling of 83455500 in words is "eighty-three million, four hundred fifty-five thousand, five hundred".