52566273 has 8 divisors (see below), whose sum is σ = 77876000. Its totient is φ = 35044164.

The previous prime is 52566259. The next prime is 52566277. The reversal of 52566273 is 37266525.

It is a happy number.

52566273 is a `hidden beast` number, since 5 + 25 + 6 + 627 + 3 = 666.

It is not a de Polignac number, because 52566273 - 2¹³ = 52558081 is a prime.

It is a super-2 number, since 2×52566273² = 5526426114221058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52566277) 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, 973423 + ... + 973476.

It is an arithmetic number, because the mean of its divisors is an integer number (9734500).

Almost surely, 2^52566273 is an apocalyptic number.

It is an amenable number.

52566273 is a deficient number, since it is larger than the sum of its proper divisors (25309727).

52566273 is a wasteful number, since it uses less digits than its factorization.

52566273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946908 (or 1946902 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 52566273 is about 7250.2602022272. The cubic root of 52566273 is about 374.6011118524.

The spelling of 52566273 in words is "fifty-two million, five hundred sixty-six thousand, two hundred seventy-three".