Search a number
-
+
55100601 = 3312716069
BaseRepresentation
bin1101001000110…
…0010010111001
310211200101211000
43102030102321
5103101204401
65244555213
71236230103
oct322142271
9124611730
1055100601
1129114996
1216552b09
13b552c0a
147464573
154c86186
hex348c4b9

55100601 has 16 divisors (see below), whose sum is σ = 82278400. Its totient is φ = 36442224.

The previous prime is 55100593. The next prime is 55100603. The reversal of 55100601 is 10600155.

55100601 is a `hidden beast` number, since 55 + 10 + 0 + 601 = 666.

It is not a de Polignac number, because 55100601 - 23 = 55100593 is a prime.

It is a super-2 number, since 2×551006012 = 6072152461122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55100603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 11463.

It is an arithmetic number, because the mean of its divisors is an integer number (5142400).

Almost surely, 255100601 is an apocalyptic number.

It is an amenable number.

55100601 is a deficient number, since it is larger than the sum of its proper divisors (27177799).

55100601 is a wasteful number, since it uses less digits than its factorization.

55100601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205 (or 16199 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 55100601 is about 7422.9779064739. The cubic root of 55100601 is about 380.5269720135.

Adding to 55100601 its reverse (10600155), we get a palindrome (65700756).

The spelling of 55100601 in words is "fifty-five million, one hundred thousand, six hundred one".

Divisors: 1 3 9 27 127 381 1143 3429 16069 48207 144621 433863 2040763 6122289 18366867 55100601