53247744 has 162 divisors, whose sum is σ = 169635648. Its totient is φ = 16051200.

The previous prime is 53247713. The next prime is 53247787. The reversal of 53247744 is 44774235.

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

It is a junction number, because it is equal to n+sod(n) for n = 53247699 and 53247708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 278689 + ... + 278879.

Almost surely, 2^53247744 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 53247744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84817824).

53247744 is an abundant number, since it is smaller than the sum of its proper divisors (116387904).

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

53247744 is a wasteful number, since it uses less digits than its factorization.

53247744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 207 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 53247744 is about 7297.1051794530. The cubic root of 53247744 is about 376.2129471280.

The spelling of 53247744 in words is "fifty-three million, two hundred forty-seven thousand, seven hundred forty-four".