52802566 has 8 divisors (see below), whose sum is σ = 80386200. Its totient is φ = 26007168.

The previous prime is 52802551. The next prime is 52802567. The reversal of 52802566 is 66520825.

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

It is a super-2 number, since 2×52802566² = 5576221952368712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52802567) 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 3 ways as a sum of consecutive naturals, for example, 196891 + ... + 197158.

It is an arithmetic number, because the mean of its divisors is an integer number (10048275).

Almost surely, 2^52802566 is an apocalyptic number.

52802566 is a deficient number, since it is larger than the sum of its proper divisors (27583634).

52802566 is a wasteful number, since it uses less digits than its factorization.

52802566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394118.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 52802566 is about 7266.5374147526. The cubic root of 52802566 is about 375.1615683044.

The spelling of 52802566 in words is "fifty-two million, eight hundred two thousand, five hundred sixty-six".