55227030521 has 8 divisors (see below), whose sum is σ = 60858409920. Its totient is φ = 49793243472.

The previous prime is 55227030517. The next prime is 55227030553. The reversal of 55227030521 is 12503072255.

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 55227030521 - 2² = 55227030517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55227030721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49397501 + ... + 49398618.

It is an arithmetic number, because the mean of its divisors is an integer number (7607301240).

Almost surely, 2^55227030521 is an apocalyptic number.

It is an amenable number.

55227030521 is a deficient number, since it is larger than the sum of its proper divisors (5631379399).

55227030521 is a wasteful number, since it uses less digits than its factorization.

55227030521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98796175.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 55227030521 in words is "fifty-five billion, two hundred twenty-seven million, thirty thousand, five hundred twenty-one".