56238549 has 4 divisors (see below), whose sum is σ = 74984736. Its totient is φ = 37492364.

The previous prime is 56238547. The next prime is 56238577. The reversal of 56238549 is 94583265.

56238549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56238549 - 2¹ = 56238547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56238549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56238547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9373089 + ... + 9373094.

It is an arithmetic number, because the mean of its divisors is an integer number (18746184).

Almost surely, 2^56238549 is an apocalyptic number.

It is an amenable number.

56238549 is a deficient number, since it is larger than the sum of its proper divisors (18746187).

56238549 is a wasteful number, since it uses less digits than its factorization.

56238549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18746186.

The product of its digits is 259200, while the sum is 42.

The square root of 56238549 is about 7499.2365611441. The cubic root of 56238549 is about 383.1287144047.

The spelling of 56238549 in words is "fifty-six million, two hundred thirty-eight thousand, five hundred forty-nine".