52045504 has 56 divisors (see below), whose sum is σ = 123187968. Its totient is φ = 21331200.

The previous prime is 52045501. The next prime is 52045507. The reversal of 52045504 is 40554025.

It is an interprime number because it is at equal distance from previous prime (52045501) and next prime (52045507).

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×52045504² = 5417468973228032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a pancake number, because a pancake can be divided into 52045504 parts by 10202 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52045501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7779 + ... + 12829.

Almost surely, 2^52045504 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 52045504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61593984).

52045504 is an abundant number, since it is smaller than the sum of its proper divisors (71142464).

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

52045504 is a wasteful number, since it uses less digits than its factorization.

52045504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52045504 is about 7214.2569956996. The cubic root of 52045504 is about 373.3599584186.

Adding to 52045504 its reverse (40554025), we get a palindrome (92599529).

The spelling of 52045504 in words is "fifty-two million, forty-five thousand, five hundred four".