55471741921 has 8 divisors (see below), whose sum is σ = 55620025344. Its totient is φ = 55323508800.

The previous prime is 55471741909. The next prime is 55471741991. The reversal of 55471741921 is 12914717455.

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 55471741921 - 2²⁵ = 55438187489 is a prime.

It is a super-2 number, since 2×55471741921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55471741991) 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, 3411216 + ... + 3427438.

It is an arithmetic number, because the mean of its divisors is an integer number (6952503168).

Almost surely, 2^55471741921 is an apocalyptic number.

It is an amenable number.

55471741921 is a deficient number, since it is larger than the sum of its proper divisors (148283423).

55471741921 is a wasteful number, since it uses less digits than its factorization.

55471741921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151.

The product of its digits is 352800, while the sum is 46.

The spelling of 55471741921 in words is "fifty-five billion, four hundred seventy-one million, seven hundred forty-one thousand, nine hundred twenty-one".