Search a number
-
+
55650351431 = 2321411130117
BaseRepresentation
bin110011110101000001…
…001111100101000111
312022122100221202122002
4303311001033211013
51402432442221211
641322044055515
74010032116353
oct636501174507
9168570852562
1055650351431
1121668199784
12a95123459b
13532b57653c
14299cd24463
1516aa96303b
hexcf504f947

55650351431 has 8 divisors (see below), whose sum is σ = 58097106144. Its totient is φ = 53205861280.

The previous prime is 55650351373. The next prime is 55650351469. The reversal of 55650351431 is 13415305655.

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 55650351431 - 210 = 55650350407 is a prime.

It is a super-2 number, since 2×556503514312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650351931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515816 + ... + 614301.

It is an arithmetic number, because the mean of its divisors is an integer number (7262138268).

Almost surely, 255650351431 is an apocalyptic number.

55650351431 is a deficient number, since it is larger than the sum of its proper divisors (2446754713).

55650351431 is a wasteful number, since it uses less digits than its factorization.

55650351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132281.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 55650351431 in words is "fifty-five billion, six hundred fifty million, three hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 23 2141 49243 1130117 25992691 2419580497 55650351431