55722367 has 4 divisors (see below), whose sum is σ = 57018280. Its totient is φ = 54426456.

The previous prime is 55722361. The next prime is 55722409. The reversal of 55722367 is 76322755.

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

It is a cyclic number.

It is not a de Polignac number, because 55722367 - 2¹⁹ = 55198079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55722361) 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, 647892 + ... + 647977.

It is an arithmetic number, because the mean of its divisors is an integer number (14254570).

Almost surely, 2^55722367 is an apocalyptic number.

55722367 is a deficient number, since it is larger than the sum of its proper divisors (1295913).

55722367 is a wasteful number, since it uses less digits than its factorization.

55722367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295912.

The product of its digits is 88200, while the sum is 37.

The square root of 55722367 is about 7464.7415896332. The cubic root of 55722367 is about 381.9529354587.

The spelling of 55722367 in words is "fifty-five million, seven hundred twenty-two thousand, three hundred sixty-seven".