53680752 has 80 divisors (see below), whose sum is σ = 154965280. Its totient is φ = 17791488.

The previous prime is 53680751. The next prime is 53680789. The reversal of 53680752 is 25708635.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53680751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135018 + ... + 135414.

It is an arithmetic number, because the mean of its divisors is an integer number (1937066).

Almost surely, 2^53680752 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 53680752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77482640).

53680752 is an abundant number, since it is smaller than the sum of its proper divisors (101284528).

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

53680752 is a wasteful number, since it uses less digits than its factorization.

53680752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53680752 is about 7326.7149528285. The cubic root of 53680752 is about 377.2299769222.

The spelling of 53680752 in words is "fifty-three million, six hundred eighty thousand, seven hundred fifty-two".