52566545 has 8 divisors (see below), whose sum is σ = 65114880. Its totient is φ = 40696560.

The previous prime is 52566541. The next prime is 52566557. The reversal of 52566545 is 54566525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52566545 - 2² = 52566541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52566499 and 52566508.

It is not an unprimeable number, because it can be changed into a prime (52566541) 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, 169415 + ... + 169724.

It is an arithmetic number, because the mean of its divisors is an integer number (8139360).

Almost surely, 2^52566545 is an apocalyptic number.

It is an amenable number.

52566545 is a deficient number, since it is larger than the sum of its proper divisors (12548335).

52566545 is a wasteful number, since it uses less digits than its factorization.

52566545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339175.

The product of its digits is 180000, while the sum is 38.

The square root of 52566545 is about 7250.2789601504. The cubic root of 52566545 is about 374.6017579659.

The spelling of 52566545 in words is "fifty-two million, five hundred sixty-six thousand, five hundred forty-five".