55231521411 has 32 divisors (see below), whose sum is σ = 83927531520. Its totient is φ = 32003517600.

The previous prime is 55231521403. The next prime is 55231521427. The reversal of 55231521411 is 11412513255.

It is not a de Polignac number, because 55231521411 - 2³ = 55231521403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55231521461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240331 + ... + 410148.

It is an arithmetic number, because the mean of its divisors is an integer number (2622735360).

Almost surely, 2^55231521411 is an apocalyptic number.

55231521411 is a deficient number, since it is larger than the sum of its proper divisors (28696010109).

55231521411 is a wasteful number, since it uses less digits than its factorization.

55231521411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650607.

The product of its digits is 6000, while the sum is 30.

The spelling of 55231521411 in words is "fifty-five billion, two hundred thirty-one million, five hundred twenty-one thousand, four hundred eleven".