52450081 has 2 divisors, whose sum is σ = 52450082. Its totient is φ = 52450080.

The previous prime is 52450061. The next prime is 52450129. The reversal of 52450081 is 18005425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 739600 = 7191^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 52450081 - 2²³ = 44061473 is a prime.

It is a super-2 number, since 2×52450081² = 5502021993813122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52450031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225040 + 26225041.

It is an arithmetic number, because the mean of its divisors is an integer number (26225041).

Almost surely, 2^52450081 is an apocalyptic number.

It is an amenable number.

52450081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52450081 is an equidigital number, since it uses as much as digits as its factorization.

52450081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 52450081 is about 7242.2428155924. The cubic root of 52450081 is about 374.3249033071.

It can be divided in two parts, 524 and 50081, that added together give a palindrome (50605).

The spelling of 52450081 in words is "fifty-two million, four hundred fifty thousand, eighty-one".