52992649 has 2 divisors, whose sum is σ = 52992650. Its totient is φ = 52992648.

The previous prime is 52992631. The next prime is 52992673. The reversal of 52992649 is 94629925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50126400 + 2866249 = 7080^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 52992649 - 2⁵ = 52992617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52992599 and 52992608.

It is not a weakly prime, because it can be changed into another prime (52992619) 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 as a sum of consecutive naturals, namely, 26496324 + 26496325.

It is an arithmetic number, because the mean of its divisors is an integer number (26496325).

Almost surely, 2^52992649 is an apocalyptic number.

It is an amenable number.

52992649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52992649 is an equidigital number, since it uses as much as digits as its factorization.

52992649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 52992649 is about 7279.6050030204. The cubic root of 52992649 is about 375.6112082943.

It can be divided in two parts, 5299 and 2649, that multiplied together give a triangular number (14037051 = T₅₂₉₈).

The spelling of 52992649 in words is "fifty-two million, nine hundred ninety-two thousand, six hundred forty-nine".