52540516 has 24 divisors (see below), whose sum is σ = 107646336. Its totient is φ = 21967680.

The previous prime is 52540511. The next prime is 52540517. The reversal of 52540516 is 61504525.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (52540511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21736 + ... + 24031.

It is an arithmetic number, because the mean of its divisors is an integer number (4485264).

Almost surely, 2^52540516 is an apocalyptic number.

It is an amenable number.

52540516 is an abundant number, since it is smaller than the sum of its proper divisors (55105820).

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

52540516 is a wasteful number, since it uses less digits than its factorization.

52540516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45819 (or 45817 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52540516 is about 7248.4837035065. The cubic root of 52540516 is about 374.5399181337.

It can be divided in two parts, 525 and 40516, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 52540516 in words is "fifty-two million, five hundred forty thousand, five hundred sixteen".