53474028 has 48 divisors (see below), whose sum is σ = 132595680. Its totient is φ = 16740864.

The previous prime is 53474023. The next prime is 53474041. The reversal of 53474028 is 82047435.

It is a self number, because there is not a number n which added to its sum of digits gives 53474028.

It is not an unprimeable number, because it can be changed into a prime (53474021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10800 + ... + 14952.

It is an arithmetic number, because the mean of its divisors is an integer number (2762410).

Almost surely, 2^53474028 is an apocalyptic number.

53474028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53474028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66297840).

53474028 is an abundant number, since it is smaller than the sum of its proper divisors (79121652).

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

53474028 is a wasteful number, since it uses less digits than its factorization.

53474028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 53474028 is about 7312.5937942703. The cubic root of 53474028 is about 376.7451177949.

The spelling of 53474028 in words is "fifty-three million, four hundred seventy-four thousand, twenty-eight".