69828550 has 24 divisors (see below), whose sum is σ = 141689592. Its totient is φ = 25392000.

The previous prime is 69828527. The next prime is 69828557. The reversal of 69828550 is 5582896.

It is a junction number, because it is equal to n+sod(n) for n = 69828497 and 69828506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69828557) 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, 62931 + ... + 64030.

It is an arithmetic number, because the mean of its divisors is an integer number (5903733).

Almost surely, 2^69828550 is an apocalyptic number.

69828550 is an abundant number, since it is smaller than the sum of its proper divisors (71861042).

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

69828550 is a wasteful number, since it uses less digits than its factorization.

69828550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126984 (or 126979 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 69828550 is about 8356.3478864873. The cubic root of 69828550 is about 411.7917813929.

The spelling of 69828550 in words is "sixty-nine million, eight hundred twenty-eight thousand, five hundred fifty".