55067269720 has 32 divisors (see below), whose sum is σ = 131189673600. Its totient is φ = 20731207168.

The previous prime is 55067269711. The next prime is 55067269727. The reversal of 55067269720 is 2796276055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55067269727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40489960 + ... + 40491319.

It is an arithmetic number, because the mean of its divisors is an integer number (4099677300).

Almost surely, 2^55067269720 is an apocalyptic number.

It is an amenable number.

55067269720 is an abundant number, since it is smaller than the sum of its proper divisors (76122403880).

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

55067269720 is a wasteful number, since it uses less digits than its factorization.

55067269720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80981307 (or 80981303 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 55067269720 in words is "fifty-five billion, sixty-seven million, two hundred sixty-nine thousand, seven hundred twenty".