55467220224 has 72 divisors (see below), whose sum is σ = 158979392992. Its totient is φ = 17066833920.

The previous prime is 55467220223. The next prime is 55467220229. The reversal of 55467220224 is 42202276455.

It is a super-2 number, since 2×55467220224² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55467220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767822 + ... + 2787789.

Almost surely, 2^55467220224 is an apocalyptic number.

It is an amenable number.

55467220224 is an abundant number, since it is smaller than the sum of its proper divisors (103512172768).

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

55467220224 is a wasteful number, since it uses less digits than its factorization.

55467220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555643 (or 5555629 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

Adding to 55467220224 its reverse (42202276455), we get a palindrome (97669496679).

The spelling of 55467220224 in words is "fifty-five billion, four hundred sixty-seven million, two hundred twenty thousand, two hundred twenty-four".