55224720047 has 24 divisors (see below), whose sum is σ = 67783209840. Its totient is φ = 44737297920.

The previous prime is 55224720007. The next prime is 55224720049. The reversal of 55224720047 is 74002742255.

It is a happy number.

It is not a de Polignac number, because 55224720047 - 2¹⁴ = 55224703663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224720049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321503 + ... + 462399.

It is an arithmetic number, because the mean of its divisors is an integer number (2824300410).

Almost surely, 2^55224720047 is an apocalyptic number.

55224720047 is a deficient number, since it is larger than the sum of its proper divisors (12558489793).

55224720047 is a wasteful number, since it uses less digits than its factorization.

55224720047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141351 (or 141344 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 55224720047 in words is "fifty-five billion, two hundred twenty-four million, seven hundred twenty thousand, forty-seven".