53482728 has 128 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 15138816.

The previous prime is 53482727. The next prime is 53482729. The reversal of 53482728 is 82728435.

It is an interprime number because it is at equal distance from previous prime (53482727) and next prime (53482729).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (53482727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207976 + ... + 208232.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^53482728 is an apocalyptic number.

53482728 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 53482728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78019200).

53482728 is an abundant number, since it is smaller than the sum of its proper divisors (102555672).

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

53482728 is a wasteful number, since it uses less digits than its factorization.

53482728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 327 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 53482728 is about 7313.1886342416. The cubic root of 53482728 is about 376.7655483036.

The spelling of 53482728 in words is "fifty-three million, four hundred eighty-two thousand, seven hundred twenty-eight".