52366545 has 144 divisors (see below), whose sum is σ = 122923008. Its totient is φ = 20321280.

The previous prime is 52366541. The next prime is 52366591. The reversal of 52366545 is 54566325.

It is a happy number.

52366545 is a `hidden beast` number, since 52 + 3 + 66 + 545 = 666.

52366545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52366545 - 2² = 52366541 is a prime.

Its product of digits (108000) is a multiple of the sum of its prime factors (180).

It is not an unprimeable number, because it can be changed into a prime (52366541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 412272 + ... + 412398.

It is an arithmetic number, because the mean of its divisors is an integer number (853632).

Almost surely, 2^52366545 is an apocalyptic number.

52366545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52366545 is an abundant number, since it is smaller than the sum of its proper divisors (70556463).

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

52366545 is a wasteful number, since it uses less digits than its factorization.

52366545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 170 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 52366545 is about 7236.4732432311. The cubic root of 52366545 is about 374.1260715798.

It can be divided in two parts, 5236 and 6545, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 52366545 in words is "fifty-two million, three hundred sixty-six thousand, five hundred forty-five".