55591953424 has 40 divisors (see below), whose sum is σ = 123145580480. Its totient is φ = 23815617408.

The previous prime is 55591953421. The next prime is 55591953437. The reversal of 55591953424 is 42435919555.

It is not an unprimeable number, because it can be changed into a prime (55591953421) 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, 186622 + ... + 382114.

It is an arithmetic number, because the mean of its divisors is an integer number (3078639512).

Almost surely, 2^55591953424 is an apocalyptic number.

It is an amenable number.

55591953424 is an abundant number, since it is smaller than the sum of its proper divisors (67553627056).

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

55591953424 is a wasteful number, since it uses less digits than its factorization.

55591953424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198047 (or 198041 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 52.

The spelling of 55591953424 in words is "fifty-five billion, five hundred ninety-one million, nine hundred fifty-three thousand, four hundred twenty-four".