55223016849 has 288 divisors, whose sum is σ = 114949452800. Its totient is φ = 24788332800.

The previous prime is 55223016847. The next prime is 55223016851. The reversal of 55223016849 is 94861032255.

55223016849 is a `hidden beast` number, since 5 + 522 + 30 + 16 + 84 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (55223016847) and next prime (55223016851).

It is not a de Polignac number, because 55223016849 - 2¹ = 55223016847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55223016847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 261720354 + ... + 261720564.

Almost surely, 2^55223016849 is an apocalyptic number.

It is an amenable number.

55223016849 is an abundant number, since it is smaller than the sum of its proper divisors (59726435951).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55223016849 is a wasteful number, since it uses less digits than its factorization.

55223016849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 55223016849 in words is "fifty-five billion, two hundred twenty-three million, sixteen thousand, eight hundred forty-nine".