Search a number
-
+
55800415617 = 3313722372719
BaseRepresentation
bin110011111101111101…
…101100010110000001
312100000211022210222220
4303331331230112001
51403234401244432
641345004321253
74013533464312
oct637575542601
9170024283886
1055800415617
1121734975171
12a993543229
13535369870b
1429b4c28609
1516b8c0672c
hexcfdf6c581

55800415617 has 32 divisors (see below), whose sum is σ = 79231057920. Its totient is φ = 34869735360.

The previous prime is 55800415603. The next prime is 55800415631. The reversal of 55800415617 is 71651400855.

It is an interprime number because it is at equal distance from previous prime (55800415603) and next prime (55800415631).

It is not a de Polignac number, because 55800415617 - 211 = 55800413569 is a prime.

It is a super-2 number, since 2×558004156172 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55800415687) 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, 730984 + ... + 803702.

It is an arithmetic number, because the mean of its divisors is an integer number (2475970560).

Almost surely, 255800415617 is an apocalyptic number.

It is an amenable number.

55800415617 is a deficient number, since it is larger than the sum of its proper divisors (23430642303).

55800415617 is a wasteful number, since it uses less digits than its factorization.

55800415617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73013.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 55800415617 in words is "fifty-five billion, eight hundred million, four hundred fifteen thousand, six hundred seventeen".

Divisors: 1 3 31 37 93 111 223 669 1147 3441 6913 8251 20739 24753 72719 218157 255781 767343 2254289 2690603 6762867 8071809 16216337 48649011 83408693 250226079 502706447 600004469 1508119341 1800013407 18600138539 55800415617