52709472 has 72 divisors (see below), whose sum is σ = 155085840. Its totient is φ = 16961280.

The previous prime is 52709441. The next prime is 52709519. The reversal of 52709472 is 27490725.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5197 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (2153970).

Almost surely, 2^52709472 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 52709472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77542920).

52709472 is an abundant number, since it is smaller than the sum of its proper divisors (102376368).

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

52709472 is a wasteful number, since it uses less digits than its factorization.

52709472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356 (or 6345 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 52709472 is about 7260.1289244751. The cubic root of 52709472 is about 374.9409613723.

The spelling of 52709472 in words is "fifty-two million, seven hundred nine thousand, four hundred seventy-two".