55767245 has 4 divisors (see below), whose sum is σ = 66920700. Its totient is φ = 44613792.

The previous prime is 55767241. The next prime is 55767247. The reversal of 55767245 is 54276755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5669161 + 50098084 = 2381^2 + 7078^2 .

It is a cyclic number.

It is not a de Polignac number, because 55767245 - 2² = 55767241 is a prime.

It is a super-2 number, since 2×55767245² = 6219971229780050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55767241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5576720 + ... + 5576729.

It is an arithmetic number, because the mean of its divisors is an integer number (16730175).

Almost surely, 2^55767245 is an apocalyptic number.

It is an amenable number.

55767245 is a deficient number, since it is larger than the sum of its proper divisors (11153455).

55767245 is a wasteful number, since it uses less digits than its factorization.

55767245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153454.

The product of its digits is 294000, while the sum is 41.

The square root of 55767245 is about 7467.7469828590. The cubic root of 55767245 is about 382.0554477593.

It can be divided in two parts, 5576 and 7245, that added together give a palindrome (12821).

The spelling of 55767245 in words is "fifty-five million, seven hundred sixty-seven thousand, two hundred forty-five".