52647949 has 4 divisors (see below), whose sum is σ = 52668864. Its totient is φ = 52627036.

The previous prime is 52647937. The next prime is 52647961. The reversal of 52647949 is 94974625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52647937) and next prime (52647961).

It is a cyclic number.

It is not a de Polignac number, because 52647949 - 2¹³ = 52639757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52647899 and 52647908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52647349) 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, 6067 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (13167216).

Almost surely, 2^52647949 is an apocalyptic number.

It is an amenable number.

52647949 is a deficient number, since it is larger than the sum of its proper divisors (20915).

52647949 is a wasteful number, since it uses less digits than its factorization.

52647949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20914.

The product of its digits is 544320, while the sum is 46.

The square root of 52647949 is about 7255.8906414030. The cubic root of 52647949 is about 374.7950263529.

The spelling of 52647949 in words is "fifty-two million, six hundred forty-seven thousand, nine hundred forty-nine".