55151421324 has 12 divisors (see below), whose sum is σ = 128686649784. Its totient is φ = 18383807104.

The previous prime is 55151421257. The next prime is 55151421343. The reversal of 55151421324 is 42312415155.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297975877 + ... + 2297975900.

It is an arithmetic number, because the mean of its divisors is an integer number (10723887482).

Almost surely, 2^55151421324 is an apocalyptic number.

It is an amenable number.

55151421324 is an abundant number, since it is smaller than the sum of its proper divisors (73535228460).

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

55151421324 is a wasteful number, since it uses less digits than its factorization.

55151421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595951784 (or 4595951782 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

Adding to 55151421324 its reverse (42312415155), we get a palindrome (97463836479).

The spelling of 55151421324 in words is "fifty-five billion, one hundred fifty-one million, four hundred twenty-one thousand, three hundred twenty-four".