55141562221 has 8 divisors (see below), whose sum is σ = 58076771904. Its totient is φ = 52251165120.

The previous prime is 55141562209. The next prime is 55141562237. The reversal of 55141562221 is 12226514155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55141562221 - 2³¹ = 52994078573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55141563221) 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, 11200620 + ... + 11205541.

It is an arithmetic number, because the mean of its divisors is an integer number (7259596488).

Almost surely, 2^55141562221 is an apocalyptic number.

It is an amenable number.

55141562221 is a deficient number, since it is larger than the sum of its proper divisors (2935209683).

55141562221 is a wasteful number, since it uses less digits than its factorization.

55141562221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22406291.

The product of its digits is 24000, while the sum is 34.

The spelling of 55141562221 in words is "fifty-five billion, one hundred forty-one million, five hundred sixty-two thousand, two hundred twenty-one".