53868744 has 96 divisors (see below), whose sum is σ = 152438520. Its totient is φ = 17169408.

The previous prime is 53868739. The next prime is 53868769. The reversal of 53868744 is 44786835.

It can be written as a sum of positive squares in 4 ways, for example, as 48860100 + 5008644 = 6990^2 + 2238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53868744.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194334 + ... + 194610.

Almost surely, 2^53868744 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 53868744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76219260).

53868744 is an abundant number, since it is smaller than the sum of its proper divisors (98569776).

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

53868744 is a wasteful number, since it uses less digits than its factorization.

53868744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 392 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 53868744 is about 7339.5329551682. The cubic root of 53868744 is about 377.6698216966.

The spelling of 53868744 in words is "fifty-three million, eight hundred sixty-eight thousand, seven hundred forty-four".