55577110481 has 8 divisors (see below), whose sum is σ = 58861446120. Its totient is φ = 52294451968.

The previous prime is 55577110471. The next prime is 55577110487. The reversal of 55577110481 is 18401177555.

It can be written as a sum of positive squares in 4 ways, for example, as 36288345025 + 19288765456 = 190495^2 + 138884^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55577110481 is a prime.

It is a super-2 number, since 2×55577110481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55577110487) 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, 350726 + ... + 483903.

It is an arithmetic number, because the mean of its divisors is an integer number (7357680765).

Almost surely, 2^55577110481 is an apocalyptic number.

It is an amenable number.

55577110481 is a deficient number, since it is larger than the sum of its proper divisors (3284335639).

55577110481 is a wasteful number, since it uses less digits than its factorization.

55577110481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838563.

The product of its (nonzero) digits is 196000, while the sum is 44.

The spelling of 55577110481 in words is "fifty-five billion, five hundred seventy-seven million, one hundred ten thousand, four hundred eighty-one".