52632720 has 240 divisors, whose sum is σ = 210760320. Its totient is φ = 11826432.

The previous prime is 52632719. The next prime is 52632733. The reversal of 52632720 is 2723625.

52632720 is a `hidden beast` number, since 5 + 2 + 632 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 892051 + ... + 892109.

It is an arithmetic number, because the mean of its divisors is an integer number (878168).

Almost surely, 2^52632720 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 52632720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105380160).

52632720 is an abundant number, since it is smaller than the sum of its proper divisors (158127600).

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

52632720 is a wasteful number, since it uses less digits than its factorization.

52632720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52632720 is about 7254.8411422994. The cubic root of 52632720 is about 374.7588850027.

The spelling of 52632720 in words is "fifty-two million, six hundred thirty-two thousand, seven hundred twenty".