52455516 has 12 divisors (see below), whose sum is σ = 122396232. Its totient is φ = 17485168.

The previous prime is 52455511. The next prime is 52455521. The reversal of 52455516 is 61555425.

It is an interprime number because it is at equal distance from previous prime (52455511) and next prime (52455521).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52455511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185635 + ... + 2185658.

It is an arithmetic number, because the mean of its divisors is an integer number (10199686).

Almost surely, 2^52455516 is an apocalyptic number.

It is an amenable number.

52455516 is an abundant number, since it is smaller than the sum of its proper divisors (69940716).

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

52455516 is a wasteful number, since it uses less digits than its factorization.

52455516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371300 (or 4371298 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 52455516 is about 7242.6180349374. The cubic root of 52455516 is about 374.3378323344.

Subtracting 52455516 from its reverse (61555425), we obtain a palindrome (9099909).

The spelling of 52455516 in words is "fifty-two million, four hundred fifty-five thousand, five hundred sixteen".