52240549 has 4 divisors (see below), whose sum is σ = 53925760. Its totient is φ = 50555340.

The previous prime is 52240543. The next prime is 52240577. The reversal of 52240549 is 94504225.

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 a cyclic number.

It is not a de Polignac number, because 52240549 - 2⁷ = 52240421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1685179 = 52240549 / (5 + 2 + 2 + 4 + 0 + 5 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52240549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240543) 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, 842559 + ... + 842620.

It is an arithmetic number, because the mean of its divisors is an integer number (13481440).

Almost surely, 2^52240549 is an apocalyptic number.

It is an amenable number.

52240549 is a deficient number, since it is larger than the sum of its proper divisors (1685211).

52240549 is a wasteful number, since it uses less digits than its factorization.

52240549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685210.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 52240549 is about 7227.7623784959. The cubic root of 52240549 is about 373.8257765171.

The spelling of 52240549 in words is "fifty-two million, two hundred forty thousand, five hundred forty-nine".