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55061110601 = 77865872943
BaseRepresentation
bin110011010001111001…
…011101111101001001
312021010022012020011122
4303101321131331021
51400231121014401
641143354405025
73656315501150
oct632171357511
9167108166148
1055061110601
112139561a392
12a807a30775
135266476c23
14294497c597
151673d6d21b
hexcd1e5df49

55061110601 has 4 divisors (see below), whose sum is σ = 62926983552. Its totient is φ = 47195237652.

The previous prime is 55061110571. The next prime is 55061110619. The reversal of 55061110601 is 10601116055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10601116055 = 52120223211.

It is a cyclic number.

It is not a de Polignac number, because 55061110601 - 218 = 55060848457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55061110631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932936465 + ... + 3932936478.

It is an arithmetic number, because the mean of its divisors is an integer number (15731745888).

Almost surely, 255061110601 is an apocalyptic number.

It is an amenable number.

55061110601 is a deficient number, since it is larger than the sum of its proper divisors (7865872951).

55061110601 is an equidigital number, since it uses as much as digits as its factorization.

55061110601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865872950.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 55061110601 its reverse (10601116055), we get a palindrome (65662226656).

The spelling of 55061110601 in words is "fifty-five billion, sixty-one million, one hundred ten thousand, six hundred one".

Divisors: 1 7 7865872943 55061110601