52545504 has 96 divisors (see below), whose sum is σ = 159376896. Its totient is φ = 14981120.

The previous prime is 52545497. The next prime is 52545509. The reversal of 52545504 is 40554525.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×52545504² = 5522059981228032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52545509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16489 + ... + 19415.

It is an arithmetic number, because the mean of its divisors is an integer number (1660176).

Almost surely, 2^52545504 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 52545504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79688448).

52545504 is an abundant number, since it is smaller than the sum of its proper divisors (106831392).

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

52545504 is a wasteful number, since it uses less digits than its factorization.

52545504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 52545504 is about 7248.8277673014. The cubic root of 52545504 is about 374.5517702314.

The spelling of 52545504 in words is "fifty-two million, five hundred forty-five thousand, five hundred four".