52555966 has 16 divisors (see below), whose sum is σ = 83817504. Its totient is φ = 24660064.

The previous prime is 52555963. The next prime is 52555969. The reversal of 52555966 is 66955525.

It is an interprime number because it is at equal distance from previous prime (52555963) and next prime (52555969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555963) 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, 8341 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (5238594).

Almost surely, 2^52555966 is an apocalyptic number.

52555966 is a deficient number, since it is larger than the sum of its proper divisors (31261538).

52555966 is a wasteful number, since it uses less digits than its factorization.

52555966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its digits is 405000, while the sum is 43.

The square root of 52555966 is about 7249.5493653054. The cubic root of 52555966 is about 374.5766267861.

It can be divided in two parts, 525559 and 66, that added together give a square (525625 = 725²).

The spelling of 52555966 in words is "fifty-two million, five hundred fifty-five thousand, nine hundred sixty-six".