52305072 has 40 divisors (see below), whose sum is σ = 136471920. Its totient is φ = 17260800.

The previous prime is 52305049. The next prime is 52305103. The reversal of 52305072 is 27050325.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (3411798).

Almost surely, 2^52305072 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 52305072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68235960).

52305072 is an abundant number, since it is smaller than the sum of its proper divisors (84166848).

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

52305072 is a wasteful number, since it uses less digits than its factorization.

52305072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901 (or 10895 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 52305072 is about 7232.2245540359. The cubic root of 52305072 is about 373.9796189338.

Adding to 52305072 its reverse (27050325), we get a palindrome (79355397).

The spelling of 52305072 in words is "fifty-two million, three hundred five thousand, seventy-two".