52505016 has 64 divisors (see below), whose sum is σ = 135820800. Its totient is φ = 16904448.

The previous prime is 52504987. The next prime is 52505069. The reversal of 52505016 is 61050525.

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100131 + ... + 100653.

It is an arithmetic number, because the mean of its divisors is an integer number (2122200).

Almost surely, 2^52505016 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 52505016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67910400).

52505016 is an abundant number, since it is smaller than the sum of its proper divisors (83315784).

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

52505016 is a wasteful number, since it uses less digits than its factorization.

52505016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 52505016 is about 7246.0345017120. The cubic root of 52505016 is about 374.4555441189.

The spelling of 52505016 in words is "fifty-two million, five hundred five thousand, sixteen".