53384724 has 48 divisors (see below), whose sum is σ = 140179200. Its totient is φ = 17566848.

The previous prime is 53384711. The next prime is 53384741. The reversal of 53384724 is 42748335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5404 + ... + 11660.

It is an arithmetic number, because the mean of its divisors is an integer number (2920400).

Almost surely, 2^53384724 is an apocalyptic number.

53384724 is a gapful number since it is divisible by the number (54) 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 53384724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70089600).

53384724 is an abundant number, since it is smaller than the sum of its proper divisors (86794476).

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

53384724 is a wasteful number, since it uses less digits than its factorization.

53384724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349 (or 6341 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 53384724 is about 7306.4850646532. The cubic root of 53384724 is about 376.5352739129.

The spelling of 53384724 in words is "fifty-three million, three hundred eighty-four thousand, seven hundred twenty-four".